In classical logic , modus ponendo ponens -LRB- Latin for mode that affirms by affirming ; often abbreviated to MP or modus ponens -RRB- is a valid , simple argument form sometimes referred to as affirming the antecedent or the law of detachment .

Modus ponendo ponens -LRB- Latin : mode that affirms by affirming ; is a valid , simple argument form in classical logic sometimes referred to as affirming the antecedent or the law of detachment .
