logical relation

Other forms: logical relations

Definitions of logical relation

1. noun

   a relation between propositions
   types:

   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

   type of:

   relation

   an abstraction belonging to or characteristic of two entities or parts together