Legal Term: IPSO FACTO

Definition: By the fact itself. 2. This phrase is frequently employed to convey the idea that something which has been done contrary to law is void. For example, if a married man, during the life of his wife, of which he had knowledge, should marry another woman, the latter marriage would be void ipsofacto; that is, on that fact being proved, the second marriage would be declared void ab initio.

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