just in case

IPA(Pronunciation)

Conjunction

(logic) if and only if

Japanese Meaning

必要十分条件

We will accept the proof just in case it establishes both necessity and sufficiency.

私たちは、その証明が必要かつ十分である場合に限り、その証明を受け入れます。

Sense（1）

(logic) if and only if

The negation of a disjunction is true just in case both disjuncts are false.