All Questions
Tagged with propositions semantics
5
questions
5
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Are contradictory propositions in the propositional logic still contradictory in the predicate logic?
There is one seeming issue I happened upon that bothers me to no end.
Take a proposition like “Snow is white”. “Snow is white” and its negation “Snow is not white” are obviously contradictory. However,...
- 63
2
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Why don't two equivalent propositions contribute to the same semantics?
We often have 2 propositions that have the same truth table, in that they are true and false given the same conditions.
Nevertheless, we still feel as though there different semantics (i.e meaning..),...
- 2,419
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Does the existence of the proposition require language to be referential?
If we grant that there is a proposition wherein something meaningful is being asserted, does that require us to think of language as essentially representative in some way?
If language didn't contain ...
- 775
10
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Shouldn't statements be considered equivalent based on their meaning rather than truth tables?
Consider the following truth table, which serves to define the logical connective ⇔,
P | Q || P⇔Q
T | T || T
T | F || F
F | T || F
F | F || T
According to the above truth table, the logical ...
- 817
2
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A∧B-worlds and law of enrichment in Stalnaker semantics
In Stalnaker semantics a conditional A↦B is true in world u if either A is not logically possible (ex absurdo quodlibet holds in the semantics) or A is logically possible and B is true in the nearest ...
