When and only when

Decided exclusively by a single condition or set of conditions, and nothing else.

Differs from "if and only if" by acknowledging the certainty or near-certainty of that condition.
Hand to Hand Wombat will end when and only when one team scores 3 points. It does *not* end if all members of the Bad Team are voted out.
by The_Epicness9000 July 23, 2024
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