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Proof step 17 from proof abs-failed-abs-nodes-h (previous step)

lax.head = @(m, m0), abs-failed(buf1 + buf0), abs-padding(buf1) ∧ abs-nodes(buf0, n + # buf1, nd ' + x0, lax, weak) ∨ lax ≠ [] ∧ m = n ∧ m0 = # buf1 ∧ abs-node(buf1, nd) ∧ abs-nodes(buf0, m + # buf1, x0, lax.tail, weak) ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
lax.head = @(m, m0), abs-failed(buf1 + buf0), abs-padding(buf1) ∧ abs-nodes(buf0, n + # buf1, nd ' + x0, lax, weak) ∨ lax ≠ [] ∧ m = n ∧ m0 = # buf1 ∧ abs-node(buf1, nd) ∧ abs-nodes(buf0, n + # buf1, x0, lax.tail, weak) ⊦

Proof step 17 from proof abs-failed-abs-nodes-h (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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