Principia Mathematica Data PROGRAM BY Dan J. O'Leary Copyright (c) 1982 Daniel J. O'Leary Re-entered with changes by Dennis J. Darland Copyright (C) 2017 Dennis J. Darland This file is part of Dan J. O'Leary's proof checker for PM It is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. It is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with it. If not, see . END_OF_TITLE PRINCIPIA MATHEMATICA Pt. 1 Sec. A DEF *1.01 Cpq=ANpq INF *1.1 Anything implied by a true elementary proposition is true. # INF *1.11 When Ux can be asserted, where x is a real variable, and CUxVx can be asserted, where x is a real variablr, then Vx can be asserted, where x is a real variable. # + + +Since I do not have access to Greek letters I have let U stand in +for phi and V stand in for psi here, and subsequently. + AX *1.2 CAppp Taut AX *1.3 CqApq Add AX *1.4 CApqAqp Perm *1.4.1+Prop *1.4.1 CCApqArqCApqAqr + +This is here to make *3.48 work. *1.4.2+Prop *1.4.2 CCAqrAsrCAqrArs + +This is here to make *3.48 work. AX *1.5 CApAqrAqApr Assoc AX *1.6 CCqrCApqApr Sum INF *1.7 If p is an elementary proposition, then Np is an elementary proposition. # INF *1.71 If p and q are elementary propositions, Apq is an elementary proposition. # INF *1.72 If Up and Vp are elementary propositional functions which take elementary propositions as arguments, AUpVp is an elementary propositional function. # 2&*1.2 p/Np+(1) (1)+*1.01 q/Np;*2.01 *2.01 CCpNpNp Abs 2&*1.3 p/Np+(1) (1)+*1.01;*2.02 *2.02 CqCpq Simp 2&*1.4 p/Np, q/Nq+(1) (1)+*1.01 q/Nq;*1.01 p/q, q/Np;*2.03 *2.03 CCpNqCqNp Transp 2&*1.5 p/Np, q/Nq+(1) (1)+*1.01 p/q, q/r;*1.01 q/Cqr;*1.01 q/r;*1.01 p/q, q/Cpr;*2.04 *2.04 CCpCqrCqCpr Comm 2&*1.6 p/Np+(1) (1)+*1.01;*1.01 q/r;*2.05 *2.05 CCqrCCpqCpr Syll 3&*2.04 p/Cqr, q/Cpq, r/Cpr+(1) *2.05+(2) (1)+C(2)-*2.06 *2.06 CCpqCCqrCpr Syll *1.3 q/p+*2.07 *2.07 CpApp + + This introduces a typographical convention which is + explained in PM following the demonstration. + 5&*2.05 q/App, r/p+(1) *1.2+(2) (1)+C(2)-(3) *2.07+(4) (3)+C(4)-*2.08 *2.08 Cpp Id *2.08+*1.01 q/p;*2.1 *2.1 ANpp 2&*1.4 p/Np, q/p+(1) (1)+C*2.1-*2.11 *2.11 ApNp 2&*2.11 p/Np+(1) (1)+*1.01 q/NNp;*2.12 *2.12 CpNNp 4&*1.6 q/Np, r/NNNp+(1) *2.12 p/Np+(2) (1)+C(2)-(3) (3)+C*2.11-*2.13 *2.13 ApNNNp 3&*1.4 q/NNNp+(1) (1)+C*2.13-(2) (2)+*1.01 p/NNp, q/p;*2.14 *2.14 CNNpp 12&*2.05 p/Np, r/NNq+(1) *2.12 p/q+(2) (1)+C(2)-(3) *2.03 p/Np, q/Nq+(4) *2.05 p/Nq, q/NNp, r/p+(5) (5)+C*2.14-(6) *2.05 p/CNpq, q/CNpNNq, r/CNqNNp+(7) (7)+C(4)-(8) (8)+C(3)-(9) *2.05 p/CNpq, q/CNqNNp, r/CNqp+(10) (10)+C(6)-(11) (11)+C(9)-*2.15 *2.15 CCNpqCNqp + + The note on the proof of *2.15 introduces + a new demonstration paradigm. + 3&*2.05 r/NNq+C*2.12 p/q-(1) *2.03 q/Nq+(2) *2.06 p/Cpq, q/CpNNq, r/CNqNp+C(1)-C(2)-Prop *2.16 CCpqCNqNp + + This is the first use of Syll as a typographical convention. + Syll in square brackets is applied to (1) and (2). + 3&*2.03 p/Nq, q/p+(1) *2.05 q/NNq, r/q+C*2.14 p/q-(2) *2.06 p/CNqNp, q/CpNNq, r/Cpq+C(1)-C(2)-Prop *2.17 CCNqNpCpq Transp 5&*2.05 p/Np, q/p, r/NNp+C*2.12-(1) *2.01 p/Np+(2) *2.06 p/CNpp, q/CNpNNp, r/NNp+C(1)-C(2)-C(2)-(3) *2.14+(4) *2.06 p/CNpp, q/NNp, r/p+C(3)-C(4)-Prop *2.18 CCNppp 3&*1.3 p/q, q/p+(1) *1.4 p/q, q/p+(2) *2.06 q/Aqp, r/Apq+C(1)-C(2)-Prop *2.2 CpApq *2.2 p/Np+*1.01;Prop *2.21 CNpCpq *2.04 p/Np, q/p, r/q+C*2.21-Prop *2.24 CpCNpq *1.5 p/NApq, q/p, r/q+C*2.1 p/Apq-*1.01 p/Apq;Prop *2.25 ApCApqq + + This introduces a proof paradigm. + *2.25 p/Np+*1.01;Prop *2.26 ANpCCpqq *2.26+*1.01 q/CCpqq;Prop *2.27 CpCCpqq *1.6 q/Aqr, r/Arq+C*1.4 p/q, q/r-Prop *2.3 CApAqrApArq 9&*2.06 p/ApAqr, q/ApArq, r/ArApq+(1) *2.3+(2) (1)+C(2)-(3) *1.5 q/r, r/q+(4) (3)+C(4)-(5) *2.06 p/ApAqr, q/ArApq, r/AApqr+(6) (6)+C(5)-(7) *1.4 p/r, q/Apq+(8) (7)+C(8)-Prop *2.31 CApAqrAApqr + + +The proof paradigm in the remark would be written as follows +in the present notation: + *2.06 p/a, q/b, r/c+(1) + THM+(2) + (1)+C(2)-(3) + THM+(4) + (3)+C(4)-(5) + *2.06 p/a, q/c, r/d+(6) + (6)+C(5)-(7) + THM+(8) + (7)+C(8)-Prop. +Where THM is some previously proved theorem or a substitution +instance of some previously proved theorem. +Prop is the proposition to be proved. + + 9&*2.06 p/AApqr, q/ArApq, r/ApArq+(1) *1.4 p/Apq, q/r+(2) (1)+C(2)-(3) *1.5 p/r, q/p, r/q+(4) (3)+C(4)-(5) *2.06 p/AApqr, q/ApArq, r/ApAqr+(6) (6)+C(5)-(7) *2.3 q/r, r/q+(8) (7)+C(8)-Prop *2.32 CAApqrApAqr + + +There are two minor typographical errors in the demonstration. The +first and second line should each end with a dot. + + INF *2.33 REDUNDANT # + +This definition is redundant in the notation system used here. + + 3&*2.05 p/Apq, q/Apr, r/Arp+C*1.4 q/r-(1) *1.6+(2) *2.05 p/Cqr, q/CApqApr, r/CApqArp+C(1)-C(2)-Prop *2.36 CCqrCApqArp + + +This should also be called SUM. + + 3&*2.06 p/Aqp, q/Apq, r/Apr+C*1.4 p/q, q/p-(1) *1.6+(2) *2.05 p/Cqr, q/CApqApr, r/CAqpApr+C(1)-C(2)-Prop *2.37 CCqrCAqpApr + + +This should also be called SUM. + + 3&*2.05 p/Aqp, q/Apr, r/Arp+C*1.4 q/r-(1) *1.6+SE(*1.4:*1.4 p/q, q/p);(2) *2.05 p/Cqr, q/CAqpApr, r/CAqpArp+C(1)-C(2)-Prop *2.38 CCqrCAqpArp + + +This should be called SUM. + + +This is the first use of the rule SE. + +Note RE will not work + + 5&*2.06 p/ApApq, q/AAppq, r/Apq+(1) *2.31 q/p, r/q+(2) (1)+C(2)-(3) *2.38 p/q, q/App, r/p+C*1.2-(4) (3)+C(4)-Prop *2.4 CApApqApq 5&*2.06 p/AqApq, q/ApAqq, r/Apq+(1) *1.5 p/q, q/p, r/q+(2) (1)+C(2)-(3) *1.6 q/Aqq, r/q+C*1.2 p/q-(4) (3)+C(4)-Prop *2.41 CAqApqApq *2.4 p/Np+*1.01;*1.01;Prop *2.42 CANpCpqCpq *2.42+*1.01 q/Cpq;Prop *2.43 CCpCpqCpq *2.16 q/Apq+C*2.2-Prop *2.45 CNApqNp *2.16 p/q, q/Apq+C*1.3-Prop *2.46 CNApqNq 3&*2.45+(1) *2.2 p/Np+(2) *2.06 p/NApq, q/Np, r/ANpq+C(1)-C(2)-Prop *2.47 CNApqANpq 3&*2.46+(1) *1.3 q/Nq+(2) *2.06 p/NApq, q/Nq, r/ApNq+C(1)-C(2)-Prop *2.48 CNApqApNq 3&*2.45+(1) *2.2 p/Np, q/Nq+(2) *2.06 p/NApq, q/Np, r/ANpNq+C(1)-C(2)-Prop *2.49 CNApqANpNq *2.47 p/Np+*1.01;*1.01 p/Np;Prop *2.5 CNCpqCNpq *2.48 p/Np+*1.01;*1.01 q/Nq;Prop *2.51 CNCpqCpNq *2.49 p/Np+*1.01;*1.01 p/Np, q/Nq;Prop *2.52 CNCpqCNpNq 3&*2.52+(1) *2.17 p/q, q/p+(2) *2.06 p/NCpq, q/CNpNq, r/Cqp+C*2.52-C*2.17 p/q, q/p-Prop *2.521 CNCpqCqp *2.38 p/q, q/p, r/NNp+C*2.12;*1.01 p/Np;Prop *2.53 CApqCNpq + +This shortens the *2.25 paradigm. + *2.38 p/q, q/NNp, r/p+C*2.14-*1.01 p/Np;Prop *2.54 CCNpqApq *2.04 p/Apq, q/Np, r/q+C*2.53-Prop *2.55 CNpCApqq *2.55 p/q, q/p+SE(*1.4:*1.4 p/q, q/p);Prop *2.56 CNqCApqp + +I used SE instead of RE as in the book. + +This proof is the first in which the theorem for SE is listed. It +differs from the previous demonstrations in that the element to be +commuted is not at the beginning or at the end. + 3&*2.38 p/q, q/Np, r/q+(1) *2.05 p/ANpq, q/Aqq, r/q+C*1.2 p/q-(2) *2.06 p/CNpq, q/CANpqAqq, r/CANpqq+C(1)-C(2)-*1.01;Prop *2.6 CCNpqCCpqq *2.04 p/CNpq, q/Cpq, r/q+C*2.6-Prop *2.61 CCpqCCNpqq *2.06 p/Apq, q/CNpq, r/CCpqq+C*2.53-C*2.6-Prop *2.62 CApqCCpqq *2.04 p/Apq, q/Cpq, r/q+C*2.62-Prop *2.621 CCpqCApqq *2.62+*1.01;Prop *2.63 CApqCANpqq 2&*2.05 p/Apq, q/Aqp, r/CANqpp+C*2.63 p/q, q/p+C*1.4-(#1) (#1);SE(*1.4 p/Nq, q/p:*1.4 q/Nq); Prop *2.64 CApqCApNqp + +I used (#1) instead of (1), but I remember why. +It probably doesn’t make a difference. + +I used SE instead of RE + *2.64 p/Np+*1.01;*1.01 q/Nq;*2.65 *2.65 CCpqCCpNqNp 3&*2.06 p/CNpq, q/Apq, r/q+C*2.54-(1) *2.06 q/CNpq, r/q+C*2.24-(2) *2.06 p/CApqq, q/CCNpqq, r/Cpq+C(1)-C(2)-Prop *2.67 CCApqqCpq 2&*2.67 p/Np+*1.01;(1) *2.06 p/CCpqq, q/CNpq, r/Apq-C(1)-C*2.54-Prop *2.68 CCCpqqApq 2&*2.06 p/CCpqq, q/Apq, r/Aqp+C*2.68-C*1.4-(1) *2.06 p/CCpqq, q/Aqp, r/CCqpp+C(1)-C*2.62 p/q, q/p-Prop *2.69 CCCpqqCCqpp 3&*2.621+(1) *2.38 p/r, q/Apq, r/q+(2) *2.06 p/Cpq, q/CApqq, r/CAApqrAqr+C*2.621-C*2.38 p/r, q/Apq, r/q-Prop *2.73 CCpqCAApqrAqr 4&*2.73 p/q, q/p+(1) *1.5+SE(*2.31:*2.32);SE(*2.31 p/q, q/p:*2.32 p/q, q/p);(2) *2.06 p/AApqr, q/AAqpr, r/Apr+C(2)-(3) *2.06 p/Cqp, q/CAAqprApr, r/CAApqrApr-C(1)-C(3)-Prop *2.74 CCqpCAApqrApr + +Used SE instead of RE + 4&*2.74 q/Nq+SE(*2.32 q/Nq:*2.31 q/Nq);(1) *2.53 p/q, q/p+(2) *2.05 p/Aqp, q/CNqp, r/CApANqrApr+C(1)-C(2)-(#1) (#1);*1.01 p/q, q/r;SE(*1.4:*1.4 p/q, q/p);Prop *2.75 CApqCApCqrApr + +Used SE instead of RE + +The *2.31 called for the use of SE. Note that the use +Is in the middle of a line. To properly use SE, one must have the implication +going both ways. The demonstration should have called for *2.32 also. + *2.04 p/Apq, q/ApCqr, r/Apr+C*2.75-Prop *2.76 CApCqrCApqApr *2.76 p/Np+*1.01 q/Cqr;*1.01;*1.01 q/r;Prop *2.77 CCpCqrCCpqCpr 5&*2.06 p/Aqr, q/CNrq, r/CANrsAqs+(1) *2.05 p/Aqr, q/Arq, r/CNrq+C*2.53 p/r-C*1.4 p/q, q/r-(2) (1)+C(2)-(3) *2.38 p/s, q/Nr, r/q+(4) (3)+C(4)-Prop *2.8 CAqrCANrsAqs 3&*1.6 r/Crs+(1) *2.05 p/Apq, q/ApCrs, r/CAprAps+C*2.76 q/r, r/s-(2) *2.06 p/CqCrs, q/CApqApCrs, r/CApqCAprAps+C(1)-C(2)-Prop *2.81 CCqCrsCApqCAprAps *2.81 q/Aqr, r/ANrs, s/Aqs+C*2.8-Prop *2.82 CApAqrCApANrsApAqs 2&*2.82 p/Np, q/Nq+*1.01 q/ANqr;*1.01 p/q, q/r;*1.01 q/ANrs;(#1) (#1);*1.01 p/r, q/s;*1.01 q/ANqs;*1.01 p/q, q/s;Prop *2.83 CCpCqrCCpCrsCpCqs + +This proof is split into two parts because of the length of the +proof abbreviation. The split does not occur in PM. + *2.85.0+Prop *2.85.0 CCCApqAprCApqrCCApqAprCqr + +This is the troublesome line in *2.85, i.e., the one composed from +(1) and *2.83 + 15&*2.06 p/q, q/Apq+C*1.3-(1) *2.06 p/Np, q/CAprr, r/CCApqAprCApqr+(2.1) *2.55 q/r+(2.2) (2.1)+C(2.2)-(2.3) *2.05 p/Apq, q/Apr+(2.4) (2.3)+C(2.4)-(2.5) *2.06 p/Np, q/CCApqAprCApqr, r/CCApqAprCqr+(2.6) (2.6)+C(2.5)-(2.7) *2.85.0+(2.8) (2.7)+C(2.8)-(2) *2.06 p/CApqApr, q/CNpCqr, r/ApCqr+(3.1) *2.04 p/Np, q/CApqApr, r/Cqr+C(2)-(3.2) (3.1)+C(3.2)-(3.3) *2.54 q/Cqr+(3.4) (3.3)+C(3.4)-Prop *2.85 CCApqAprApCqr + +Note the use of *2.85.0 + +There are subparts to each of the above. In particular the +subpart of part 2 which is denoted by (1).*2.83 is of +particular interest. DJO takes it to mean that *2.83, +or some substitution instance, is of the form CPQ where +P is equiform with (1). The consequent should be equiform with +the result needed at this point in the proof. Following the +paradigm of the remark following in *2.31 this is Ccd, or in the +instant case CCCApqAprCApqrCCApqAprCqr. The demonstration of this +theorem is in error because the desired result cannot be achieved in the +indicated manner. + *2.85 p/Np+*1.01;*1.01 q/r;*1.01 q/Cqr;*2.86 *2.86 CCCpqCprCpCqr DEF *3.01 Kpq=NANpNq INF *3.02 REDUNDANT # + +This definition is redundant in the notation used here. + 7&ASSUMP Up+(#1) ASSUMP Vp+(#2) *2.11 p/ANUpNVp+(1) *2.32 p/NUp, q/NVp, r/NANUpNVp+C(1);*1.01 p/Vp, q/NANUpNVp;(#3) (#3);*1.01 p/Up, q/CVpNANUpNVp;(2) (2)+*3.01 p/Up, q/Vp;(3) (3)+C(#1)-C(#2)-Prop *3.03 KUpVp Conjunction Rule *2.08 p/Kpq+*3.01 II;Prop *3.1 CKpqNANpNq *2.08 p/Kpq+*3.01;Prop *3.11 CNANpNqKpq *2.11 p/ANpNq+*3.01;Prop *3.12 AANpNqKpq *2.15 p/ANpNq, q/Kpq+C*3.11-Prop *3.13 CNKpqANpNq *2.03 p/Kpq, q/ANpNq+C*3.1-Prop *3.14 CANpNqNKpq 2&*3.12+SE(*2.31 p/Np, q/Nq, r/Kpq:*2.32 p/Np, q/Nq, r/Kpq);(#1) (#1);*1.01 q/ANqKpq;*1.01 p/q, q/Kpq;Prop *3.2 CpCqKpq *2.04 r/Kpq+C*3.2-Prop *3.21 CqCpKpq 10&*2.06 p/NKqp, q/ANqNp, r/ANpNq+(1.1) *3.13 p/q, q/p+(1.2) (1.1)+C(1.2)-(1.3) *1.4 p/Nq, q/Np+(1.4) (1.3)+C(1.4)-(1.5) *2.06 p/NKqp, q/ANpNq, r/NKpq+(1.6) (1.6)+C(1.5)-(1.7) *3.14+(1.8) (1.7)+C(1.8)-(1) *2.17 p/Kpq, q/Kqp+C(1)-Prop *3.22 CKpqKqp *3.22.1+Prop *3.22.1 CCKpqKrqCKpqKqr + +This is here to make *3.47 work. + *3.22.2+Prop *3.22.2 CCKqrKsrCKqrKrs *3.14 q/Np+C*2.11 p/Np-Prop *3.24 NKpNp 5&*2.02 p/q, q/p+(1) (1)+*1.01 q/Cqp;*1.01 p/q, q/p;(2.1) *2.31 p/Np, q/Nq, r/p-C(2.1)-(2.2) *2.53 p/ANpNq, q/p+C(2.2)-(2) (2)+*3.01;Prop *3.26 CKpqp Simp + +First time that an antecedent in a demonstration has not been +given explicitly. In this case it depends upon definitions applied to (1). I +call the antecedent (2.1). + +This is the first example of an extended use of MODUS PONENS. This +demonstration follows the paradigm of *2.25. It is not like that +of the note of *2.31, since the proposition to be proved is not “Cad”. *3.26.1+Prop *3.26.1 CCCKpqpCCpKpqEpKpqCCpKpqEpKpq + +This is here to make *4.71 work. + 5&*2.06 p/Kpq, q/Kqp, r/q+(1) *3.22+(2) (1)+C(2)-(3) *3.26 p/q, q/p+(4) (3)+C(4)-Prop *3.27 CKpqq Simp *3.27.1+Prop *3.27.1 CKCrNqEpAqrCAqrp + +This is here for *5.75 + 17&*2.06 p/CKpqr, q/CNANpNqr, r/CNrANpNq+(1) *2.08 p/CNANpNqr+*3.01;(2) (1)+C(2)-(3) *2.15 p/ANpNq, q/r+(4) (3)+C(4)-(5) *2.06 p/CKpqr, q/CNrANpNq, r/CNrCpNq+(6) (6)+C(5)-(7) *2.08 p/CNrCpNq+*1.01 q/Nq;(8) (7)+C(8)-(9) *2.06 p/CKpqr, q/CNrCpNq, r/CpCNrNq+(10) (10)+C(9)-(11) *2.04 p/Nr, q/p, r/Nq+(12) (11)+C(12)-(13) *2.06 p/CKpqr, q/CpCNrNq, r/CpCqr+(14) (14)+C(13)-(15) *2.05 q/CNrNq, r/Cqr+C*2.17 p/q, q/r-(16) (15)+C(16)-Prop *3.3 CCKpqrCpCqr Exp + +This is an extended example of the paradigm of *2.31 + 13&*2.06 p/CpCqr, q/ANpANqr, r/AANpNqr+(1) *2.08 p/ANpANqr+*1.01 p/q, q/r;*1.01 q/Cqr;(2) (1)+C(2)-(3) *2.31 p/Np, q/Nq+(4) (3)+C(4)-(5) *2.06 p/CpCqr, q/AANpNqr, r/CNANpNqr+(6) (6)+C(5)-(7) *2.53 p/ANpNq, q/r+(8) (7)+C(8)-(9) *2.06 p/CpCqr, q/CNANpNqr, r/CKpqr+(10) (10)+C(9)-(11) *2.08 p/CKpqr+*3.01;(12) (11)+C(12)-Prop *3.31 CCpCqrCKpqr Imp *3.31 p/Cpq, q/Cqr, r/Cpr+C*2.06-Prop *3.33 CKCpqCqrCpr Syll *3.31 p/Cqr, q/Cpq, r/Cpr+C*2.05-Prop *3.34 CKCqrCpqCpr Syll *3.31 q/Cpq, r/q+C*2.27-Prop *3.35 CKpCpqq Ass 5&*2.05 q/Cqr, r/CNrNq+C*2.16 p/q, q/r-(1) *3.3+(2) *3.31 q/Nr, r/Nq+(3) *2.06 p/CKpqr, q/CpCqr, r/CpCNrNq-C(2)-C(1)-(4.1) *2.06 p/CKpqr, q/CpCNrNq, r/CKpNrNq-C(4.1)-C(3)-Prop *3.37 CCKpqrCKpNrNq Transp *2.16 p/NCpq, q/CpNq+C*2.51-*1.01 q/Nq;*3.01;SE(*2.14 p/Cpq:*2.12 p/Cpq);Prop *3.4 CKpqCpq *2.06 p/Kpq, q/p+C*3.26-Prop *3.41 CCprCKpqr *2.06 p/Kpq+C*3.27-Prop *3.42 CCqrCKpqr 7&*3.2 p/q, q/r+(1) *2.06 p/Cpq, q/CpCrKqr, r/CCprCpKqr+(2.1) *2.05 r/CrKqr+C(1)-(2.2) (2.1)+C(2.2)-(2.3) *2.77 q/r, r/Kqr+(2.4) (2.3)+C(2.4)-(2) *3.31 p/Cpq, q/Cpr, r/CpKqr+C(2)-Prop *3.43 CKCpqCprCpKqr Comp 15&*2.06 p/KCNqrCrp, q/CNqp, r/CCqpp+(1.1) *3.33 p/Nq, q/r, r/p+(1.2) (1.1)+C(1.2)-(1.3) *2.6 p/q, q/p+(1.4) (1.3)+C(1.4)-(1) *2.06 p/CNqr, q/CCrpCCqpp, r/CKCqpCrpp+(2.1) *3.3 p/CNqr, q/Crp, r/CCqpp+C(1)-(2.2) (2.1)+C(2.2)-(2.3) *3.31 p/Cqp, q/Crp, r/p+(2.41) *2.04 p/Crp, q/Cqp, r/p+(2.42) SYLL (2.41), (2.42)+(2.4) (2.3)+C(2.4)-(2) *2.04 p/CNqr, q/KCqpCrp, r/p+C(2)-(3.1) *2.06 q/CNqr, r/p, p/Aqr+C*2.53 p/q, q/r-(3.2) SYLL (3.1), (3.2)+Prop *3.44 CKCqpCrpCAqrp + +In the last part of the proof CCKCqpCrpCCNqrpCKCqpCrpCAqrp +should be constructed from *2.53 and Syll. The proposition +is then obtained by applying Modus Ponens to this and (3.1). + 10&*2.06 p/Cpq, q/CCqNrCpNr, r/CNCpNrNCqNr+(1) *2.06 r/Nr+(2) (1)+C(2)-(3) *2.16 p/CqNr, q/CpNr+(4) (3)+C(4)-(5) *2.06 p/Cpq, q/CNCpNrNCqNr, r/CKprKqr+(6) (6)+C(5)-(7) *2.08 p/CNCpNrNCqNr+*1.01 q/Nr II;*1.01 p/q, q/Nr II;(#1) (#1);*3.01 q/r;*3.01 p/q, q/r;(8) (7)+C(8)-Prop *3.45 CCpqCKprKqr Fact + +This demonstration is a mixed paradigm. The first and second +lines follow *2.31, the second and third lines follow *2.25. + 19&*2.06 p/KCprCqs, q/Cpr, r/CKpqKrq+(1.1) *3.26 p/Cpr, q/Cqs+(1.2) (1.1)+C(1.2)-(1.3) *3.45 q/r, r/q+(1.4) (1.3)+C(1.4)-(1.5) *2.06 p/KCprCqs, q/CKpqKrq, r/CKpqKqr+(1.6) (1.6)+C(1.5)-(1.7) *3.22.1+(1.8) (1.7)+C(1.8)-(1) *2.06 p/KCprCqs, q/Cqs, r/CKqrKsr+(2.1) *3.27 p/Cpr, q/Cqs+(2.2) (2.1)+C(2.2)-(2.3) *3.45 p/q, q/s+(2.4) (2.3)+C(2.4)-(2.5) *2.06 p/KCprCqs, q/CKqrKsr, r/CKqrKrs+(2.6) (2.6)+C(2.5)-(2.7) *3.22.2+(2.8) (2.7)+C(2.8)-(2) *2.83 p/KCprCqs, q/Kpq, r/Kqr, s/Krs+C(1)-C(2)-Prop *3.47 CKCprCqsCKpqKrs + +This demonstration is in error. The demonstration will not work with both +*3.03 and *2.83 in the last step. The proof presented here used *2.83 and +ignores *3.03. + +Note the use of *3.22.1 and *3.22.2 in this proof. + 19&*2.06 p/KCprCqs, q/Cpr, r/CApqArq+(1.1) *3.26 p/Cpr, q/Cqs+(1.2) (1.1)+C(1.2)-(1.3) *2.38 p/q, q/p+(1.4) (1.3)+C(1.4)-(1.5) *2.06 p/KCprCqs, q/CApqArq, r/CApqAqr+(1.6) (1.6)+C(1.5)-(1.7) *1.4.1+(1.8) (1.7)+C(1.8)-(1) *2.06 p/KCprCqs, q/Cqs, r/CAqrAsr+(2.1) *3.27 p/Cpr, q/Cqs+(2.2) (2.1)+C(2.2)+(2.3) *2.38 p/r, r/s+(2.4) (2.3)+C(2.4)-(2.5) *2.06 p/KCprCqs, q/CAqrAsr, r/CAqrArs+(2.6) (2.6)+C(2.5)-(2.7) *1.4.2+(2.8) (2.6)+C(2.8)-(2) *2.83 p/KCprCqs, q/Apq, r/Aqr, s/Ars+C(1)-C(2)-Prop *3.48 CKCprCqsCApqArs + +Note the use of *1.4.1 and *1.4.2. + DEF *4.01 Epq=KCpqCqp DEF *4.02 EEpqr=KEpqEqr + +This definition resolves an ambiguity in *4.87. + 3&*2.16+(1) *2.17+(2) *3.03 (1), (2)+*4.01 p/Cpq, q/CNqNp;Prop *4.1 ECpqCNqNp 11&*2.16+(1) *2.16 p/q, q/p+(2) *3.03 (1), (2)+(3) *3.47 p/Cpq, q/Cqp, r/CNqNp, s/CNpNq+C(3)-*4.01;(#1) (#1);SE(*3.22 p/CNqNp, q/CNpNq:*3.22 p/CNpNq, q/CNqNp);*4.01 p/Np, q/Nq;(4) *2.17+(5) *2.17 p/q, q/p+(6) *3.03 (5), (6)+(7) *3.47 p/CNqNp, q/CNpNq, r/Cpq, s/Cqp+C(7)-*4.01;(#2) (#2);SE(*3.22 p/CNqNp, q/CNpNq:*3.22 p/CNpNq, q/CNqNp);*4.01 p/Np, q/Nq;(8) *3.03 (4), (8)+*4.01 p/Epq, q/ENpNq;Prop *4.11 EEpqENpNq Transp 11&*2.03+(1) *2.15 p/q, q/p+(2) *3.03 (1), (2)+(3) *3.47 p/CpNq, r/CqNp, q/CNqp, s/CNpq+C(3)-(#1) (#1)+*4.01 q/Nq;*4.01 p/q, q/Np;(4) *2.03 p/q, q/p+(5) *2.15+(6) *3.03 (5),(6)+(7) *3.47 p/CqNp, q/CNpq, r/CpNq, s/CNqp+C(7)-(#2) (#2);*4.01 p/q, q/Np;*4.01 q/Nq;(8) *3.03 (4), (8)+*4.01 p/EpNq, q/EqNp;Prop *4.12 EEpNqEqNp *4.12.1+Prop *4.12.1 ECKqrNpCpNKqr + +This is here to make *4.32 work. + +This seems to be evidence that BR thought he could move from +. . . Epq. . . to . . . Cpq. . . when E is not the major +connective. + 3&*2.12+(1) *2.14+(2) *3.03 (1), (2)+*4.01 q/NNp;Prop *4.13 EpNNp 3&*3.37+(1) *3.37 q/Nr, r/Nq+SE(*4.13 p/q);SE(*4.13 p/r);(2) *3.03 (1), (2)+*4.01 p/CKpqr, q/CKpNrNq;Prop *4.14 ECKpqrCKpNrNq + +First use of SE with an equivalence. + *4.14 p/q, q/p, r/Nr+SE(*4.13 p/r);SE(*3.22:*3.22 p/q, q/p);Prop *4.15 ECKpqNrCKqrNp *3.2 p/Cpp, q/Cpp+C*2.08-C*2.08;*4.01 q/p;Prop *4.2 Epp 5&*3.22 p/Cpq, q/Cqp+(1) *3.22 p/Cqp, q/Cpq+(2) *3.03 (1), (2)+*4.01;*4.01;(#1) (#1);*4.01 p/q, q/p;*4.01 p/q, q/p;(#2) (#2);*4.01 p/Epq, q/Eqp;Prop *4.21 EEpqEqp 24&*2.06 p/KEpqEqr, q/Epq, r/Cpq+(1.1) *3.26 p/Epq, q/Eqr+(1.2) (1.1)+C(1.2)-(1.3) *3.26 p/Cpq, q/Cqp+*4.01;(1.4) (1.3)+C(1.4)-(1) *2.06 p/KEpqEqr, q/Eqr, r/Cqr+(2.1) *3.27 p/Epq, q/Eqr+(2.2) (2.1)+C(2.2)-(2.3) *3.26 p/Cqr, q/Crq+*4.01 p/q, q/r+(2.4) (2.3)+C(2.4)-(2) *2.83 p/KEpqEqr, q/p, r/q, s/r+C(1)-C(2)-(3) *2.06 p/KEpqEqr, q/Eqr, r/Crq+(4.1) *3.27 p/Epq, q/Eqr+(4.2) (4.1)+C(4.2)-(4.3) *3.27 p/Cqr, q/Crq+*4.01 p/q, q/r;(4.4) (4.3)+C(4.4)-(4) *2.06 p/KEpqEqr, q/Epq, r/Cqp+(5.1) *3.26 p/Epq, q/Eqr+(5.2) (5.1)+C(5.2)-(5.3) *3.27 p/Cpq, q/Cqp+*4.01;(5.4) (5.3)+C(5.4)-(5) *2.83 p/KEpqEqr, q/r, r/q, s/p+C(4)-C(5)-(6) *3.03 (3),(6)+(#1) *3.43 p/KEpqEqr, q/Cpr, r/Crp+C(#1);*4.01 q/r;Prop *4.22 CKEpqEqrEpr + +(#1) indicates the conjunction of (3) and (4). + 3&*3.26 q/p+(1) *2.43 q/Kpp+C*3.2 q/p+(2) *3.2 p/CpKpp, q/CKppp+C(2)-C(1);*4.01 q/Kpp;Prop *4.24 EpKpp 3&*1.3 q/p+(1) *1.2+(2) *3.03 (1), (2)+*4.01 q/App;Prop *4.25 EpApp 3&*3.22+(1) (1) p/q, q/p+(2) *3.03 (1), (2)+*4.01 p/Kpq, q/Kqp;Prop *4.3 EKpqKqp 3&*1.4+(1) (1) p/q, q/p+(2) *3.03 (1), (2)+*4.01 p/Apq, q/Aqp;Prop *4.31 EApqAqp 8&*4.22 p/CKpqNr, q/CKqrNp, r/CpNKqr+(1.1) *4.15+(1.2) *4.12.1+(1.3) *3.03 (1.2), (1.3)+(1.4) (1.1)+C(1.4)-(1) *4.11 p/CKpqNr, q/CpNKqr+C(1)-(#1) (#1);*1.01 p/Kpq, q/Nr;*3.01 p/Kpq, q/r;(#2) (#2);*1.01 q/NKqr;*3.01 q/Kqr;Prop *4.32 EKKpqrKpKqr + +Note the use of *4.12.1 here. + +First instance of “E” as a major corrective in an implication. + + +The note at the end of the demonstration in PM expands to: + *4.22 p/a, q/b, r/c+(1) + THM+(2) + THM+(3) + *3.03 (2), (3)+(4) + (1)+C(4)-(5) + *4.22 p/a, q/c, r/d+(6) + THM+(7) + *3.03 (5), (7)+(8) + (6)+C(8)-Prop 3&*2.32+(1) *2.31+(2) *3.03 (1), (2);*4.01 p/AApqr, q/ApAqr;Prop *4.33 EAApqrApAqr 5&*3.45+(1) (1) p/q, q/p+(2) *3.03 (1), (2)+(3) *3.47 p/Cpq, q/Cqp, r/CKprKqr, s/CKqrKpr+C(3)-(#1) (#1);*4.01;*4.01 p/Kpr, q/Kqr;Prop *4.36 CEpqEKprKqr 5&*2.38 p/r, q/p, r/q+(1) *2.38 p/r, r/p+(2) *3.03 (1), (2)+(3) *3.47 p/Cpq, q/Cqp, r/CAprAqr, s/CAqrApr+C(3)-(#1) (#1)+*4.01;*4.01 p/Apr, q/Aqr;Prop *4.37 CEpqEAprAqr + +Here we take SUM to mean *2.38. + 9&*3.47+(1) (1) p/s, q/r, r/q, s/p+(2) *3.03 (1), (2)+(3) *3.47 p/KCprCqs, r/CKpqKrs, q/KCsqCrp, s/CKsrKqp+C(3)-(#1) (#1)+SE(*3.22 p/q, q/p:*3.22);SE(*3.22 p/s, q/r:*3.22 p/r, q/s);(#2) (#2)+*4.01 p/Kpq, q/Krs;SE(*4.32 p/Cpr, q/Cqs, r/KCsqCrp);(#3) (#3)+SE(*4.32 p/Cqs, q/Csq, r/Crp);(#4) (#4)+*4.01 p/q, q/s;SE(*3.22 p/Eqs, q/Crp:*3.22 p/Crp, q/Eqs);(#5) (#5)+SE(*4.32 p/Cpr, r/Eqs, q/Crp);*4.01 q/r;Prop *4.38 CKEprEqsEKpqKrs + *4.39+Prop *4.39 CKEprEqsEApqArs + +Don’t have a good proof yet of this proposition. + +In later proofs, such as *5.22, showed typos in the theorem. + 20&*2.06 q/KCqKpqCrKpr, r/CAqrAKpqKpr+(1.1) *3.2+(#1) (#1) q/r, r/q+(#2) *3.03 (#1), (#2)-(#3) *3.43 q/CqKpq, r/CrKpr+C(#3)-(1.2) (1.1)+C(1.2)-(1.3) *3.48 p/q, q/r, r/Kpq, s/Kpr+(1.4) (1.3)+C(1.4)-(1) *3.31 q/Aqr, r/AKpqKpr+C(1)-(2) *3.26+(#5) (#5) q/r+(#6) *3.03 (#5), (#6)+(#7) *3.44 q/Kpq, r/Kpr+C(#7)-(3) *3.27+(#8) (#8) q/r+(#9) *3.03 (#8), (#9)+(#10) *3.48 p/Kpq, q/Kpr, r/q, s/r+C(#10)-(4) *3.03 (3), (4)+(#11) *3.43 p/AKpqKpr, q/p, r/Aqr+C(#11)-(5) *3.03 (2), (5)+*4.01 p/KpAqr, q/AKpqKpr-Prop *4.4 EKpAqrAKpqKpr 17&*1.6 q/Kqr, r/q+C*3.26 p/q, q/r-(1) *1.6 q/Kqr+C*3.27 p/q, q/r+(2) *3.03 (1), (2)+(#1) *3.43 p/ApKqr, q/Apq, r/Apr+C(#1)-(3) *2.06 p/KApqApr, q/KCNpqCNpr, r/CNpKqr+(4.1) *2.53+(#2) (#2) q/r+(#3) *3.03 (#2), (#3)+(#4) *3.47 p/Apq, q/Apr, r/CNpq, s/CNpr+C(#4)-(4.2) (4.1)+C(4.2)-(4.3) *3.43 p/Np+(4.4) (4.3)+C(4.4)-(4.5) *2.06 p/KApqApr, q/CNpKqr, r/ApKqr+(4.6) (4.6)+C(4.5)-(4.7) *2.54 q/Kqr+(4.8) (4.7)+C(4.8)-(4) *3.03 (3), (4)+*4.01 p/ApKqr, q/KApqApr;Prop *4.41 EApKqrKApqApr 7&*3.21 q/AqNq+C*2.11 p/q-(1) *3.26 q/AqNq+(2) *4.22 q/KpAqNq, r/AKpqKpNq+(3.1) *3.03 (1), (2)+*4.01 q/KpAqNq;(3.2) *4.4 r/Nq+(3.3) *3.03 (3.2), (3.3)+(3.4) (3.1)+C(3.4)-Prop *4.42 EpAKpqKpNq *4.43.0+Prop *4.43.0 CCKCNpqCNpNqpCKApqApNqp + +This is here to make *4.43 work + 8&*2.2+(#1) (#1) q/Nq+(#2) *3.03 (#1), (#2)+(#3) *3.43 q/Apq, r/ApNq+C(#3)-(1) *2.65 p/Np+SE(*2.14:*2.12);(#4) *3.31 p/CNpq, q/CNpNq, r/p+C(#4)-(#5) *4.43.0+C(#5)-(2) *3.03 (1), (2)+*4.01 q/KApqApNq;Prop *4.43 EpKApqApNq + +Note the use of *4.43.0 + 6&*2.2 q/Kpq+(1) *2.08+(#1) *3.26+(#2) *3.03 (#1), (#2)+(#3) *3.44 q/p, r/Kpq+C(#3)-(2) *3.03 (1), (2)+*4.01 q/ApKpq;Prop *4.44 EpApKpq 3&*3.26 q/Apq+(1) *2.2 q/Kpq+SE(*4.41 q/p, r/q);SE(*4.25);(2) *3.03 (2), (1)+*4.01 q/KpApq;Prop *4.45 EpKpApq *4.2 p/Kpq+*3.01 II;Prop *4.5 EKpqNANpNq *4.5+SE(*4.12 p/Kpq, q/ANpNq);SE(*4.21 p/ANpNq, q/NKpq);Prop *4.51 ENKpqANpNq *4.5 q/Nq+SE(*4.13 p/q);Prop *4.52 EKpNqNANpq *4.52+SE(*4.12 p/KpNq, q/ANpq);SE(*4.21 p/ANpq, q/NKpNq);Prop *4.53 ENKpNqANpq *4.5 p/Np+SE(*4.13);Prop *4.54 EKNpqNApNq + *4.54+SE(*4.12 p/KNpq, q/ApNq);SE(*4.21 p/ApNq, q/NKNpq);Prop *4.55 ENKNpqApNq + *4.54 q/Nq+SE(*4.13 p/q);Prop *4.56 EKNpNqNApq + *4.56+SE(*4.12 p/KNpNq, q/Apq);SE(*4.21 p/Apq, q/NKNpNq);Prop *4.57 ENKNpNqApq *4.2 p/Cpq+*1.01 II;Prop *4.6 ECpqANpq *4.6+SE(*4.11 p/Cpq, q/ANpq);SE(*4.52);Prop *4.61 ENCpqKpNq *4.6 q/Nq+Prop *4.62 ECpNqANpNq *4.62+SE(*4.11 p/CpNq, q/ANpNq);SE(*4.5);Prop *4.63 ENCpNqKpq + 3&*2.54+(1) *2.53+(2) *3.03 (1), (2)+*4.01 p/CNpq, q/Apq;Prop *4.64 ECNpqApq + *4.64+SE(*4.11 p/CNpq, q/Apq);SE(*4.56);Prop *4.65 ENCNpqKNpNq + *4.64 q/Nq+Prop *4.66 ECNpNqApNq + *4.64 q/Nq+Prop *4.68 ECNpNqApNq + *4.66+SE(*4.11 p/CNpNq, q/ApNq);SE(*4.54);Prop *4.67 ENCNpNqKNpq + 3&*2.05 q/Kpq, r/q+C*3.27-(1) *3.3 p/Cpp, q/Cpq, r/CpKpq+C*3.43 q/p, r/q-C*2.08-(2) *3.03 (2), (1)+*4.01 p/Cpq, q/CpKpq;Prop *4.7 ECpqCpKpq 7&*3.21 p/CpKpq, q/CKpqp+*4.01 q/Kpq;(#1) *3.26.1+C(#1)-(1) *3.26 p/CpKpq, q/CKpqp+*4.01 q/Kpq;(2) *3.03 (1), (2)+*4.01 p/CpKpq, q/EpKpq;(3) *4.7+(4) *3.03 (4), (3)+(#2) *4.22 p/Cpq, q/CpKpq, r/EpKpq+C(#2)-Prop *4.71 ECpqEpKpq 17&*4.22 p/Cpq, q/CNqNp, r/ENqKNqNp+(1) *4.1+(2) *4.71 p/Nq, q/Np+(3) *3.03 (2), (3)+(4) (1)+C(4)-(5) *4.22 p/Cpq, q/ENqKNqNp, r/EqNKNqNp+(6) *4.12 p/KNqNp+SE(*4.21 p/KNqNp, q/Nq)+(7) *3.03 (5), (7)+(8) (6)+C(8)-(9) *4.22 p/Cpq, q/EqNKNqNp, r/EqAqp+(10) *4.21 p/q, q/NKNqNp+SE(*4.57 p/q, q/p)+(11) *3.03 (9), (11)+(12) (10)+C(12)-(13) *4.22 p/Cpq, q/EqAqp, r/EqApq+(14) *4.21 p/q, q/Aqp+SE(*4.31);(15) *3.03 (13), (15)+(16) (14)+C(16)-Prop *4.72 ECpqEqApq + +The original notes said there is a problem with this proof. + 3&*2.02+(1) *4.71+DE;(2) *2.06 p/q, q/Cpq, r/EpKpq+C(1)-C(2)-Prop *4.73 CqEpKpq + +This uses “DE”. I don’t recall having used this before. +This proof might not work. + 3&*2.21+(1) *4.72+DE;(2) *2.06 p/Np, q/Cpq, r/EqApq+C(1)-C(2)-Prop *4.74 CNpEqApq + 2&*4.41 p/Np+*1.01 q/Kqr;*1.01;*1.01 q/r;(#1) (#1)+SE(*4.21 p/CpKqr, q/KCpqCpr);Prop *4.76 EKCpqCprCpKqr + *4.77.0+Prop *4.77.0 CCAqrpKCqpCrp + +This is used in *4.77. + +The problem here is to get CCAqrpKCqpCrp from *1.3 and +*2.2. This proof is the same as *5.77 in TI. + 3&*3.44+(1) *4.77.0+(2) *3.03 (1), (2)+*4.01 p/KCqpCrp, q/CAqrp;Prop *4.77 EKCqpCrpCAqrp + +Note the use of *4.77.0. + *4.77.1+Prop *4.77.1 CCAqrpCrp + +This is here for *5.75 + *4.78.0+Prop *4.78.0 EANpAAqNprANpAANpqr + +This is to come from *4.31 and *4.37 + *4.78.01+Prop *4.78.01 EAANpNpAqrANpAqr + +This is to come from *4.25 and *4.37 + 22&*4.22 p/ACpqCpr, q/AANpqANpr, r/ANpAAqNpr+(1) *4.2 p/AANpqANpr+*1.01;*1.01 q/r+(2) *4.33 p/Np, r/ANpr+SE(*4.33 p/q, q/Np)+(3) *3.03 (2), (3)+(4) (1)+C(4)-(5) *4.22 p/ACpqCpr, q/ANpAAqNpr, r/ANpAANpqr+(6) *4.78.0+(7) *3.03 (5), (7)+(8) (6)+C(8)-(9) *4.22 p/ACpqCpr, q/ANpAANpqr, r/AANpNpAqr-(10) *4.33 p/Np, q/ANpq+SE(*4.21 p/AANpANpqr, q/ANpAANpqr);(#1) (#1);SE(*4.33 p/Np, q/Np, r/q);SE(*4.33 p/ANpNp);(11) *3.03 (9), (11)+(12) (10)+C(12)-(13) *4.22 p/ACpqCpr, q/AANpNpAqr, r/ANpAqr-(14) *4.78.01-(15) *3.03 (13), (15)+(16) (14)+C(16)-(17) *4.22 p/ACpqCpr, q/ANpAqr, r/CpAqr-(18) *4.2 p/CpAqr+*1.01 q/Aqr;(19) *3.03 (17), (19)-(20) (18)+C(20)-Prop *4.78 EACpqCprCpAqr + +Note the use of *4.78.0. + +Note the use of *4.78.01. + *4.79+Prop *4.79 EACqpCrpCKqrp + +Need to work on this proof. + 3&*2.01+(1) *2.02 q/Np+(2) *3.03 (1), (2)+*4.01 p/CpNp, q/Np;Prop *4.8 ECpNpNp 3&*2.18+(1) *2.02 q/p, p/Np+(2) *3.03 (1), (2)+*4.01 p/CNpp, q/p;Prop *4.81 ECNppp 6&*3.31 p/Cpq, q/CpNq, r/Np+C*2.65-(1) *2.21+(2) *2.21 q/Nq+(3) *3.03 (2), (3)+(4) *3.43 p/Np, q/Cpq, r/CpNq+C(4)-(5) *3.03 (1), (5)+*4.01 p/KCpqCpNq, q/Np;Prop *4.82 EKCpqCpNqNp 6&*3.31 p/Cpq, q/CNpq, r/q+C*2.61-(1) *2.02+(2) *2.02 p/Np+(3) *3.03 (2), (3)+(4) *3.43 p/q, q/Cpq, r/CNpq+C(4)-(5) *3.03 (1), (5)+*4.01 p/KCpqCNpq;Prop *4.83 EKCpqCNpqq 5&*2.06+(1) (1) p/q, q/p+(2) *3.03 (2), (1)+(3) *3.47 p/Cqp, q/Cpq, r/CCprCqr, s/CCqrCpr+C(3)-(4) (4)+*4.01 p/q, q/p;*4.01 p/Cpr, q/Cqr;SE(*4.21 p/q, q/p);Prop *4.84 CEpqECprCqr 5&*2.05 p/r, q/p, r/q+(1) *2.05 p/r, r/p+(2) *3.03 (1), (2)+(3) *3.47 p/Cpq, q/Cqp, r/CCrpCrq, s/CCrqCrp+C(3)-(4) (4)+*4.01;*4.01 p/Crp, q/Crq;Prop *4.85 CEpqECrpCrq 8&*4.84+(1) *4.85+(2) *3.03 (1), (2)+(3) *3.47 p/Epq, q/Epq, r/ECprCqr, s/ECrpCrq+C(3)-(#1) (#1)+SE(*4.24 p/Epq);(4) *4.38 p/Cpr, q/Crp, r/Cqr, s/Crq+(5) *2.06 p/Epq, q/KECprCqrECrpCrq, r/EKCprCrpKCqrCrq+C(4)-C(5)-(6) (6)+*4.01 q/r;*4.01 p/q, q/r;Prop *4.86 CEpqEEprEqr + +This proof seems natural, but does not use *4.21 or *4.22. +I don’t know a way to get this prop. With them. + 11&*3.3+(1) *3.31+(2) *3.03 (1), (2)+*4.01 p/CKpqr, q/CpCqr;(3) *2.04+(4) *2.04 p/q, q/p+(5) *3.03 (4), (5)+*4.01 p/CpCqr, q/CqCpr+(6) *2.06 p/CqCpr, q/CpCqr, r/CKpqr+C*2.04 p/q, q/p-C*3.31-(7) *2.06 p/CKpqr, q/CpCqr, r/CqCpr+C*3.3-C*2.04-(8) *3.03 (7), (8)+*4.01 p/CqCpr, q/CKpqr+SE(*4.3)+(9) *3.03 (3), (6)+*4.02 p/CKpqr, q/CpCqr, r/CqCpr;(10) *3.03 (10), (9)+*4.02 p/ECKpqrCpCqr, q/CqCpr, r/CKqpr;Prop *4.87 EEECKpqrCpCqrCqCprCKqpr + +This requires a resolution of the ambiguity of *4.87 in the +Russell-Peano notation. Examine *5.47. + +It also requires a statement of the meaning of the left side +of Def. *4.03. + 6&*3.4+(1) (1) p/q, q/p+(2) *3.22+(3) SYLL (2), (3)+(4) *3.03 (1), (4)+(5) *3.43 p/Kpq, q/Cpq, r/Cqp+C(5);*4.01;Prop *5.1 CKpqEpq + +This proof comes from a fellow student named Bob Flagg + 5&*3.4+(1) *2.06 p/Kpq, q/Kqp, r/Cqp+C*3.22-C*3.4 p/q, q/p;(2) *3.03 (1), (2)+(3) *3.43 p/Kpq, q/Cpq, r/Cqp+C(3);*4.01;Prop *5.1 CKpqEpq + +This proof comes notes of Dan O’Leary, but it had not been entered. + *2.54 p/Cpq, q/CNpq+C*2.5-Prop *5.11 ACpqCNpq + *2.54 p/Cpq, q/CpNq+C*2.51-Prop *5.12 ACpqCpNq + *2.521+*1.01 p/NCpq, q/Cqp;SE(*4.13 p/Cpq);Prop *5.13 ACpqCqp + 4&*2.16 p/q, q/Cpq+C*2.02-(1) *2.21 p/q, q/r+(2) SYLL (1), (2)+(3) *2.54 p/Cpq, q/Cqr+C(3)-Prop *5.14 ACpqCqr + +This proof comes from a fellow student named Bob Flagg + 4&*2.16 p/q, q/Cpq+C*2.02-(1) *2.21 p/q, q/r+(2) *2.06 p/NCpq, q/Nq, r/Cpq+C(1)-C(2)-(#1) (#1);*1.01 p/NCpq, q/Cqr; SE(*4.13 p/Cpq);Prop *5.14 ACpqCqr + +This proof comes notes of Dan O’Leary, but it had not been entered. + 20&*2.06 p/NCpq, q/KpNq, r/EpNq+(1.1) *4.61+DE;(1.2) (1.1)+C(1.2)-(1.3) *5.1 q/Nq+(1.4) (1.3)+C(1.4)-(1.5) *2.54 p/Cpq, q/EpNq+C(1.5)-(1) (1)+SE(*4.31 p/Cpq, q/EpNq);(#1) *2.06 p/NCqp, q/KqNp, r/EqNp+(2.1) *4.61 p/q, q/p+DE;(2.2) (2.1)+C(2.2)-(2.3) *5.1 p/q, q/Np+(2.4) (2.3)+C(2.4)-(2.5) *2.06 p/NCqp, q/EqNp, r/EpNq+(2.6) (2.6)+C(2.5)-(2.7) *4.12 p/q, q/p+DE;(2.8) (2.7)+C(2.8)-(2.9) *2.54 p/Cqp, q/EpNq+C(2.9)-(2) (2)+SE(*4.31 p/Cqp, q/EpNq);(#2) *3.03 (#1), (#2)+(#3) *4.41 p/EpNq, q/Cpq, r/Cqp+C(#3);*4.01;SE(4.31 p/EpNq, q/Epq);Prop *5.15 AEpqEpNq + 31&*2.06 p/KEpqCpNq, q/KCpqCpNq, r/Np+(1.1) *3.26 p/KCpqCpNq, q/Cqp+SE(*4.32 p/Cpq, q/CpNq, r/Cqp);(#1) (#1)+SE(*4.3 p/CpNq, q/Cqp);SE(*4.32 p/Cpq, q/Cqp, r/CpNq);*4.01;(1.2) (1.1)+C(1.2)-(1.3) *4.82;DE+(1.4) (1.3)+C(1.4)-(1) *2.06 p/KEpqCpNq, q/KCqpCpNq, r/CqNq+(2.1) *3.27 p/Cpq, q/KCqpCpNq+SE(*4.32 p/Cpq, q/Cqp, r/CpNq);*4.01;(2.2) (2.1)+C(2.2)-(2.3) *3.33 p/q, q/p, r/Nq+(2.4) (2.3)+C(2.4)-(2.5) *2.06 p/KEpqCpNq, q/CqNq, r/Nq+(2.6) (2.6)+C(2.5)-(2.7) *2.01 p/q+(2.8) (2.7)+C(2.8)-(2) *2.06 p/KEpqCpNq, q/KNpNq, r/NCNqp+(3.1) *3.03 (1), (2)+(3.21) *3.43 p/KEpqCpNq, q/Np, r/Nq+C(3.21)-(3.2) (3.1)+C(3.2)-(3.3) *4.65 p/q, q/p+SE(*4.21 p/NCNqp, q/KNqNp);SE(*4.3 p/Np, q/Nq);DE;(3.4) (3.3)+C(3.4)-(3) *2.06 p/Epq, q/CCpNqNCNqp, r/ANCpNqNCNqp+(4.1) *3.3 p/Epq, q/CpNq, r/NCNqp+C(3)-(4.2) (4.1)+C(4.2)-(4.3) *2.08 p/ANCpNqNCNqp+*1.01 p/CpNq, q/NCNqp;(4.4) (4.3)+C(4.4)-(4.5) *2.06 p/Epq, q/ANCpNqNCNqp, r/NEpNq+(4.6) (4.6)+C(4.5)-(4.7) *4.51 p/CpNq, q/CNqp+*4.01 q/Nq;DER;(4.8) (4.7)+C(4.8)-(4) (4)+*1.01 p/Epq, q/NEpNq;SE(*4.13 p/ANEpqNEpNq);*3.01 p/Epq, q/EpNq;Prop *5.16 NKEpqEpNq + 5&*4.21 p/CNqp, q/Aqp+C*4.64 p/q, q/p;SE(*4.31);(1) *4.11 p/NCpNq, q/Kpq+C*4.63;SE(*4.13 p/CpNq);SE(*4.21 p/NKpq, q/CpNq);(2) *3.03 (1), (2)+(3) *4.38 p/Apq, q/NKpq, r/CNqp, s/CpNq+C(3);(#1) (#1);*4.01 p/Nq, q/p;SE(*4.21 p/Nq, q/p);Prop *5.17 EKApqNKpqEpNq + 4&*5.15+(1) *5.16+(2) *3.03 (1), (2)+(3) *5.17 p/Epq, q/EpNq+C(3)-Prop *5.18 EEpqNEpNq + *5.18 q/p+C*4.2-Prop *5.19 NEpNp + 3&*5.1 p/Np, q/Nq+(1) *4.11+DER;(2) SYLL (1), (2)+Prop *5.21 CKNpNqEpq + +This is a version of the proof using SYLL + 3&*5.1 p/Np, q/Nq+(1) *4.11+DER;(2) *2.06 p/KNpNq, q/ENpNq, r/Epq+C(1)-C(2)-Prop *5.21 CKNpNqEpq + +This is a version of the proof using MP +I don’t remember why I made two versions + 5&*4.61+(1) *4.61 p/q, q/p+(2) *3.03 (1), (2)+(3) *4.39 p/NCpq, q/NCqp, r/KpNq, s/KqNp+C(3)-(#1) (#1)+SE(*4.51 p/Cpq, q/Cqp);*4.01;Prop *5.22 ENEpqAKpNqKqNp + 3&*5.18+(1) *5.22 q/Nq+(2) SYLL (1), (2)+(3);SE(*4.13 p/q);SE(*4.3 p/Np, q/Nq);Prop *5.23 EEpqAKpqKNpNq + +The notes of Dan O’Leary have some suggestions to make this proof work. + *5.22+SE(*5.23);Prop *5.24 ENAKpqKNpNqAKpNqKqNp + 3&*2.62+(1) *2.68+(2) *3.03 (1), (2)+(3);*4.01 p/Apq, q/CCpqq;Prop *5.25 EApqCCpqq + *5.3+Prop *5.3 ECKpqrCKpqKpr + +Need to work out the demonstration. + 10&*2.06 p/KrCpq, q/r, r/Cpr+(1.1) *3.26 p/r, q/Cpq+(1.2) (1.1)+C(1.2)+(1.3) *2.02 q/r+(1.4) (1.3)+C(1.4)-(1) *3.27 p/r, q/Cpq+(2) *3.03 (2), (1)+(3) *3.43 p/KrCpq, q/Cpq, r/Cpr+C(3)-(4) *3.43+(5) SYLL (4), (5)+Prop *5.31 CKrCpqCpKqr + +The notes make some suggestions for changes. + *5.32+Prop *5.32 ECpEqrEKpqKpr + +Need to work out the demonstration. + 3&*4.73 q/p, p/q+SE(*4.3 p/q, q/p)+(1) *4.84 p/q, q/Kpq+(2) SYLL (1), (2)+(3);SE(*5.32 q/Cqr, r/CKpqr);Prop *5.33 EKpCqrKpCKpqr + +The notes suggest using MP instead of SYLL as the inference rule + 3&*2.05 q/Kqr, r/Eqr+C*5.1 p/q, q/r+(1) *3.43+(2) SYLL (1), (2)+Prop *5.35 CKCpqCprCpEqr + +The notes question the use of *2.05 + *5.36+Prop *5.36 EkpEpqKqEpq + +Need to work out the demonstration. + +This is the first use of Ass. + 3&*2.43+(1) *2.02 q/Cpq+(2) *3.03 (1), (2)+(3);*4.01 p/CpCpq, q/Cpq;Prop *5.4 ECpCpqCpq + 3&*2.86+(1) *2.77+(2) *3.03 (1), (2)+(3);*4.01 p/CCpqCpr, q/CpCqr;Prop *5.41 ECCpqCprCpCqr + *5.42+Prop *5.42 ECpCqrCpCqKpr + +Need to work out the demonstration. + +The notes say, “Need to look at *4.87” + *5.44+Prop *5.44 CCpqECprCpKqr + +Need to work out the demonstration. + *5.5+Prop *5.5 CpECpqq + +Need to work out the demonstration. + *5.501+Prop *5.01 CpEqEpq + +Need to work out the demonstration. + 2&*4.77 p/s, q/Apq+SE(*4.77 p/s, q/p, r/q);(1) (#1);SE(*4.21 p/KKCpsCqsCrs, q/CAApqrs);Prop *5.53 ECAApqrsKKCpsCqsCrs + +The notes say, “This nice proof comes from Debra Brown” + *5.54+Prop *5.54 EKpqApEKpqq + +Need to work out the demonstration. + *5.55+Prop *5.55 EApqApEApqq + +Need to work out the demonstration. + *5.6+Prop *5.6 ECKpNqrCpAqr + +Need to work out the demonstration. + *5.6.1+Prop *5.6.1 CKCrNqEpAqrCKpNqr + +This is here for *5.75. + 3&*4.74 p/q, q/p+SE(*5.32 p/Nq, q/p, r/Aqp);(#1) (#1)+SE(*4.3 p/Nq, q/p);SE(*4.3 p/Nq, q/Aqp);SE(*4.31);(#2) (#2)+SE(*4.21 p/KpNq, q/KApqNq);Prop *5.61 EKApqNqKpNq + +The notes say that this proof comes from Debra Brown. + 3&*4.7 p/q, q/p+*1.01 p/q, q/p;*1.01 p/q, q/Kqp;(#1) (#1);SE(*4.31 p/Nq, q/p);SE(*4.31 p/Nq, q/Kqp);(#2) (#2);SE(*4.3);SE(*4.21 p/ApNq, q/AKpqNq);Prop *5.62 EAKpqNqApNq + +The notes say that this proof comes from Debra Brown + 3&*5.62 p/q, q/Np+SE(*4.13);SE(*4.13);(#1) (#1);SE(*4.31 p/KqNp, q/p);SE(*4.31);(#2) (#2);SE(*4.3 p/q, q/Np);SE(*4.21 p/ApKNpq, q/Apq);Prop *5.63 EApqApKNpq + +The notes say that this proof comes from Debra Brown + *5.7 +Prop *5.7 EEAprAqrArEpq + +Need to work out the demonstration. + 10&*4.4+SE(*4.3 q/Aqr);(1.1) (1.1) p/r, q/p, r/q+SE(*4.3 p/r, q/p);SE(*4.3 p/r);(1) *2.06 p/CqNr, q/NKqr, r/EAKprKqr+(2.1) *4.62 p/q, q/r+(2.21) *4.51 p/q, q/r+(2.22) SYLL (2.21), (2.22)+(2.2) (2.1)+C(2.2)-(2.3) *4.7 p/Kqr, q/Kpr+SE(*4.21 p/Kpr, q/AKqrKpr);(#1) (#1)+SE(*4.31 p/Kpr, q/Kqr);(2.4) (2.3)+C(2.4)-(2);SE((1));Prop *5.71 CqNrEApKqrKpr + +The notes say that this proof is defective in that the move from (1) +and (2) seems OK. + +This is the first use of SE with a line inside the same proof + +Need to fix SYLL in the program so that CPQ, CRQ gives CPR. + 8&*5.41+(1.1) (1.1) q/r, r/q+(1.2) *3.03 (1.1), (1.2)+(1) *4.22 p/ECpqCpr, q/KCpCqrCpCrq, r/CpEqr+(2.1) *4.38 p/CCpqCpr, q/CCprCpq, r/CpCqr, s/CpCrq+C(1)-(#1);*4.01 p/Cpq, q/Cpr;(2.2) *4.76 q/Cqr, r/Crq;*4.01 p/q, q/r;(2.3) *3.03 (2.2), (2.3)+(2.4) (2.1)+C(2.4)-(#2);SE(*4.21 p/ECpqCpr, q/CpEqr);Prop *5.74 ECpEqrECpqCpr + +The proof line ending in (2.2) wrapped during data entry. I don’t know if +that will cause a problem. + +The notes say that his follows the paradigm of *4.32. + 16&*5.6.1+(1) *2.06 p/KCrNqEpAqr, q/CAqrp, r/Crp+(2.1) *3.27.1+(2.2) (2.1)+C(2.2)-(2.3) *4.77.2+(2.4) (2.3)+C(2.4)-(2) *3.26 p/CrNq, q/EpAqr+(3) *2.06 p/KCrNqEpAqr, q/KCrpCrNq, r/CrKpNq+(4.1) *3.03 (2), (3)+(4.21) *3.43 p/KCrNqEpAqr, q/Crp, r/CrNq+C(4.21)-(4.2) (4.1)+C(4.2)-(4.3) *3.43 p/r, q/p, r/Nq+(4.4) (4.3)+C(4.4)-(4) *3.03 (1), (2)+(5.1) *3.43 p/KCrNqEpAqr, q/CKpNqr, r/CrKpNq+C(5.1)-(5.2) (5.2)+*4.01 p/KpNq, q/r;Prop *5.75 CKCrNqEpAqrEKpNqr + +The line ending is (2.4) has a note suggesting +that *4.77.2 should be *4.77.1 + +This is the first use of Hp to indicate the hypothesis of the +theorem to prove. Hp does not show up in this proof. + +Notice the need for additional theorems *5.6.1, *3.27.1, and *4.77.1 +