(law, obsolete) The arrangement of, or mode of expressing, the terms of a contract or conveyance.

(colloquial) A person or thing's normal mode of operation.

(philosophy, logic) A valid form of argument in which the antecedent of a conditional proposition is affirmed, thereby entailing the affirmation of the consequent. Modus ponens has the form

A way of living, especially a working arrangement to allow for peaceful coexistence between two parties in spite of differences or unresolved disputes.

(philosophy, logic) A valid form of argument in which the consequent of a conditional proposition is denied, thus implying the denial of the antecedent. Modus tollens has this form:

Misconstruction of modus operandi

Misconstruction of modus operandi

plural of modus operandi

(logic) An invalid argument, which has this form:

(philosophy, logic) A valid form of argument in which the antecedent of a conditional proposition is negated, thereby entailing the affirmation of the consequent. Modus ponendo tollens has the form: