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Proof step 2 from proof ls-diff-rem-subseteq (
previous step
)
as = as2 ∪ as3, as0 ⊆ as2 ⊦ (as0 \ as1) -- adr ⊆ as
Heuristic simplifier applied rule simplifier
And obtained the following new goals
Proof step 3
:
as0 ⊆ as2 ⊦ (as0 \ as1) -- adr ⊆ as2 ∪ as3
Rule argument
Additional information