Modus Tollens - Formal Proof

Famous quotes containing the words formal and/or proof:

“Then the justice,
In fair round belly with good capon lined,
With eyes severe and beard of formal cut,
Full of wise saws and modern instances;
And so he plays his part.”
—William Shakespeare (1564–1616)

“To cease to admire is a proof of deterioration.”
—Charles Horton Cooley (1864–1929)