To contrapose an argument one swaps the conclusion with any one of the premisses and negates each of the swapped statements.

Oh, I figured you would've knew. That's where I met Ham and he got me in the DA's office. That was years ago."

The fretful tinkling of the convent bell evermore dinging among the mountain echoes.

Thou, Surya, outstrippest all in speed; thou art visible to all; thou art the source of light; thou shinest throughout the entire firmament.