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Theorems · Theorem · combinatorics

Finset.ssubset_iff_subset_ne

∀ {α : Type u_1} {s t : Finset α}, s ⊂ t ↔ s ⊆ t ∧ s ≠ t
Defined in
Mathlib.Data.Finset.Defs
Cited by
2 results in Mathlib
Foundations
Depth 55 from the axioms · uses propext, Classical.choice, Quot.sound
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Finset.mem_ssubsets · cited by 1Finset.mem_ssubsetsFinset.empty_mem_ssubsets · cited by 0Finset.empty_mem_ssubsetsFinset · cited by 13712Finsetlt_iff_le_and_ne · cited by 47lt_iff_le_and_neFinset.ssubset_iff_subset_neCITED BYCITES

Cites2

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Cited by2

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