Unless and until: Difference between revisions

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*“[[Until]] X” means “[[at any time]] up to the point at which X happens”.
*“[[Until]] X” means “[[at any time]] up to the point at which X happens”.
*“[[Unless]] X” means “except if X has happened”.
*“[[Unless]] X” means “except if X has happened”.
To put it in a way which Lenny Kravitz<ref>The learned author of the celebrated monograph “''It Ain’t Over Till It’s Over''”.</re> might recognize:
“It can’t happen until it’s happened.”


At the point in time at which X happens, then X must have happened. [[Q.E.D.]]
At the point in time at which X happens, then X must have happened. [[Q.E.D.]]