• bleistift2
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    2 months ago

    Proof by contrapositive would be c<0 ∨ c≥1 ⇒ … ⇒ xc≥x. That is not just starting from the conclusion and deriving the premise.

    • lseif
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      2 months ago

      i really dont care

      • bleistift2
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        2 months ago

        Then don’t get involved in this discussion.