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at school we do not use the " = ", but we use the " ↔ " instead ("if and only if")
i love these things
I also learned identity ("=") is not used in logic. I thought it was a rather interesting difference from calculus.
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at school we do not use the " = ", but we use the " ↔ " instead ("if and only if")
i love these things
I also learned identity ("=") is not used in logic. I thought it was a rather interesting difference from calculus.