bivalence(redirected from Principle of bivalence)
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1. Genetics Relating to or being a pair of homologous, side-by-side chromosomes, especially during meiosis; double.
2. Chemistry & Immunology Divalent.
bi·va′lence, bi·va′len·cy n.
(Logic) logic philosophy the semantic principle that there are exactly two truth values, so that every meaningful statement is either true or false. Compare many-valued logic