PFR/Mathlib/Data/Set/Basic.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Imports (1)
Imported by 2 files
  1. lemma Set.ne_empty_iff_nonempty line 14 source

    standard axioms: Classical.choice, Quot.sound, propext what this means

    Statement uses: Set, Iff, Ne, EmptyCollection.emptyCollection, Set.Nonempty

    Proof uses: Iff.symm, Set.nonempty_iff_ne_empty

    2 instances, coercions and auxiliary constants left out.