BICONDITIONAL is validvalid

a relation between two propositions that is true only when both propositions are simultaneously true or false

178,055 of 196,601 in NWL2023·also valid in CSW24

a relation between two propositions that is true only when both propositions are simultaneously true or false

22,659 of 280,887 in CSW24·also valid in NWL2023

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