symmDiff_symmDiff_left

∀ {α : Type u_2} [inst : GeneralizedBooleanAlgebra α] (a b c : α),
  symmDiff (symmDiff a b) c = a \ (b ⊔ c) ⊔ b \ (a ⊔ c) ⊔ c \ (a ⊔ b) ⊔ a ⊓ b ⊓ c

Defined in: Mathlib.Order.SymmDiff
Cited by: 1 results in Mathlib
Foundations: Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: GeneralizedBooleanAlgebra

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