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Proof step 6 from proof mk-last-01 (previous step)

mklist(a, m0) ≠ [], ∀ a. mklist(a, m0).last = a ⊦ mklist(a, m0).last = a, m0 = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
∀ a. mklist(a, m0).last = a ⊦ mklist(a, m0).last = a, m0 = 0

Rule argument

Additional information

Used simplifier rules: mk-empty: ⊦ mklist(a, m) = [] ↔ m = 0;