(New page: "Exactly when" is another way to say "If and only if", In other words when "statement A is true" implies "statement B is true" and "statement B is true" implies "statement A is true", then...) |
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Latest revision as of 14:22, 18 January 2009
"Exactly when" is another way to say "If and only if", In other words when "statement A is true" implies "statement B is true" and "statement B is true" implies "statement A is true", then it is said statement A is true exactly when statement B is true.
