I'm trying to solve the logical problem above, but can't seem to figure it out. Any help would be greatly appreciated!
2026-03-26 06:01:36.1774504896
Trying to solve $(p\rightarrow(q\rightarrow r))\wedge\neg r\vdash p\rightarrow\neg q$ with natural deduction (fitch style)
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Hint
Assume $p→(q→r) ∧ ¬r$, assume $p$, assume $q$.