∀ ∃ (() ∨ ()) ⊢ ∃ ∀ (() ∨ ())
I first introduced y0 as a fresh variable and then introduced x0 as fresh variable but still not able to prove correctly following the rules of Natural Deduction.
2026-04-19 21:23:16.1776633796
Predicate logic proof by natural deduction
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