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@Taissirbw Taissirbw commented Jun 2, 2022

Add a skolemization tactic.

TODO:

  • nnf and pnf transformations should generate proof terms
  • skolemization should be applied on some hypothesis, not on the goal
  • fix the generated proof term for skolemization
    by adding 2nd order axioms like
    symbol sko1 [a b] (p : τ a → τ b → Prop) : π((`∀ x, (`∃ y, p x y)) ⇒ `∃ f, (`∀ x, p x (f x))); ?
    or a single axiom taking the predicate arity in argument ?
  • update emacs and vscode plugins
  • update doc

@Taissirbw Taissirbw marked this pull request as ready for review June 7, 2022 07:51
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