In the ongoing discussion of Widstoe's theory regarding the scope of Noah's Flood (he believed it was global), the comment was made that a belief in a global flood requires some sort of "mental gymnastics". This implies that some degree of illogical or excessively creative thinking is required to maintain a belief in a global flood.
The implication was that a belief in a local flood (i.e. Noah's flood being limited to a specific region of the planet, and not covering the whole globe) does