Consider all. Test All. Hold on to the good.

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Non Sequitur

The term non sequitur literally means “it does not follow”. In this section we describe fallacies which occur as a consequence of invalid arguments.-

Denying the Antecedent

Any argument of the following form is invalid: (1) If A then B (2) Not A (3) Therefore, Not B


The author asserts more than one proposition such that the propositions cannot all be true.