Theorems · Theorem · combinatorics
Matroid.IsRestriction.eq_or_isStrictRestriction
∀ {α : Type u_1} {M N : Matroid α}, N.IsRestriction M → N = M ∨ N.IsStrictRestriction M- Cited by
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- Foundations
- Depth 87 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Matroidstatement and proof · cited by 1,258
- eq_or_lt_of_leproof · cited by 92
- Matroid.IsRestrictionstatement and proof · cited by 45
- Matroid.IsStrictRestrictionstatement · cited by 13
- Matroid.ofMatroid_le_iffproof · cited by 2
- Matroid.Matroidᵣ.ofMatroid.injEqproof · cited by 2
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