principle of bivalence中文什么意思

二值逻辑

二值原理

• principle:    n. 1.原理，原则。 2.主义；政 ...
• bivalence:    n. 【化学】双化合价，双原子价，二 ...
• divalent; bivalence; bivalency; dyadic:    二价

百科释义

In logic, the semantic principle (or law) of bivalence states that every declarative sentence expressing a proposition (of a theory under inspection) has exactly one truth value, either true or false. A logic satisfying this principle is called a two-valued logic or bivalent logic.