Modus Tollendo Tollens/Also known as

Also known as

Modus Tollendo Tollens is also known as:

• Modus tollens, abbreviated M.T.
• Denying the consequent.

Sources

• 1973: Irving M. Copi: Symbolic Logic (4th ed.) ... (previous) ... (next): $3$: The Method of Deduction: $3.1$: Formal Proof of Validity: Rules of Inference: $2.$