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Theorems · Theorem · group theory

sub_sub_cancel_left

∀ {G : Type u_3} [inst : AddCommGroup G] (a b : G), a - b - a = -b
Defined in
Mathlib.Algebra.Group.Basic
Cited by
28 results in Mathlib
Foundations
Depth 13 from the axioms · uses propext
Assumes
AddCommGroup

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Cited by28

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