A revision to my Analysis of Belief
By Dennis J. Darland
September 26, 2007
Revised December 19, 2007
Copyright ©2007 Dennis J. Darland
I have been aware of a problem with my prior analysis of belief – it was necessary to have a symbol relation to any object you can have a belief about. Consider
Tom believes someone denounced Cicero.
‘someone’ is not a symbol – it is a variable.
We need to analyze it as:
($w)($u)($v)($x)belief_r(Tom,now,u,x,v) & symbol_1r(Tom,now,u,denounced) & symbol_0r(Tom,now,v,Cicero) & variable_0r(Tom,now,x,w)
IN OTHER SYMBOLS
(Ew)(Eu)(Ev)(Ex)belief_r(Tom,now,u,x,v) & symbol_1r(Tom,now,u,denounced) & symbol_0r(Tom,now,v,Cicero) & variable_0r(Tom,now,x,w)
Here x is a variable symbol for Tom and w is the range that it may take values from.
Variables are a different ‘part of speech’ having a different sort of application in the world.
Thus it is no longer necessary to have a symbol_0r relation to whoever denounced Cicero – although you may.
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