1
This type of notation can also reflect negative and compound sentences using the connectives shown. We use capitals for predicates and lower-case letters for arguments.
2
Express FALSE propositions
3
It accords with the facts of the word
4
Are those which express TRUE propositions
5
Is a relation which can be approached from either the point of view of semantics or pragmatics.
6
Is a technique or procedure to extract conceptual structures from a database.
7
It must have opposite truth values in every circumstance.
8
It is when two sentences express the same proposition. Another way to describe this relation is as paraphrasis.
9
may not be simultaneously true, but they may be simultaneously false.
10
It is not an inference in the normal sense because our knowledge of the truth or falsity of a statement does not derive from our empirical knowledge of the world but from our knowledge of a particular language where the lexical relations between words hold
