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Theorems · Theorem · order theory

HasSubset.Subset.trans_ssubset

Deprecated since 2026-05-24Use LE.le.trans_ssubset instead.

∀ {α : Type u_1} [UsesSetNotationForOrder α] [inst : Preorder α] {a b c : α}, a ⊆ b → b ⊂ c → a ⊂ c

Alias of LE.le.trans_ssubset. Set notation form of LE.le.trans_lt

Defined in
Mathlib.Order.RelClasses
Cited by
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Foundations
Depth 8 from the axioms · uses no axioms
Assumes
UsesSetNotationForOrderPreorder

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