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Proof and Disproof in Formal Logic: An Introduction for programmers/en-ca/proof-and-disproof-in-formal-logic-an-introduction-for-programmers/89A61C96-B0D0-4DB5-9065-DA3C2A1614BA.html89A61C96-B0D0-4DB5-9065-DA3C2A1614BA
Proof and Disproof in Formal Logic: An Introduction for programmers