kettle logic

Etymology
. The expression was used by in reference to a story related by, in which a man accused by his neighbour of having returned a kettle in a damaged condition offers three conflicting arguments: that he returned the kettle undamaged; that it was already damaged when he borrowed it; and that he never borrowed it in the first place.

Noun

 * 1) A rhetorical device involving the use of multiple arguments that are inconsistent with each other.