| / English Dictionary |
LOGICAL RELATION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A relation between propositions
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("logical relation" is a kind of...):
relation (an abstraction belonging to or characteristic of two entities or parts together)
Domain category:
logic (the branch of philosophy that analyzes inference)
Hyponyms (each of the following is a kind of "logical relation"):
contradictory (two propositions are contradictories if both cannot be true (or both cannot be false) at the same time)
contrary (a logical relation such that two propositions are contraries if both cannot be true but both can be false)
transitivity ((logic and mathematics) a relation between three elements such that if it holds between the first and second and it also holds between the second and third it must necessarily hold between the first and third)
reflexiveness; reflexivity ((logic and mathematics) a relation such that it holds between an element and itself)
modality; mode (a classification of propositions on the basis of whether they claim necessity or possibility or impossibility)
conditional relation; implication; logical implication (a logical relation between propositions p and q of the form 'if p then q'; if p is true then q cannot be false)
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