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Proof step 16 from proof abs-nodes-unique-weak-h (previous step)

abs-nodes(buf1, m + # buf0, [], [], true), abs-padding(buf0), ∃ buf3, buf2. buf1 = buf3 + buf2 ∧ ( abs-padding(buf3) ∧ abs-nodes(buf2, (m + # buf0) + # buf3, nd ' + x2, lax1, true) ∨ lax1 ≠ [] ∧ lax1.head.off = m + # buf0 ∧ lax1.head.size = # buf3 ∧ abs-node(buf3, nd) ∧ abs-nodes(buf2, (m + # buf0) + # buf3, x2, lax1.tail, true)), ∀ buf2, m, x0, lax0, x1, lax1. # buf2 < #(buf0 + buf1) → abs-nodes(buf2, m, x0, lax0, true) ∧ abs-nodes(buf2, m, x1, lax1, true) → x0 = x1 ∧ lax0 = lax1 ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
abs-nodes(buf2 + buf, m + # buf0, [], [], true), abs-padding(buf0), abs-padding(buf2) ∧ abs-nodes(buf, (m + # buf0) + # buf2, nd ' + x2, lax1, true) ∨ lax1 ≠ [] ∧ lax1.head.off = m + # buf0 ∧ lax1.head.size = # buf2 ∧ abs-node(buf2, nd) ∧ abs-nodes(buf, (m + # buf0) + # buf2, x2, lax1.tail, true), ∀ buf3, m, x0, lax0, x1, lax1. # buf3 < #(buf0 + buf2 + buf) → abs-nodes(buf3, m, x0, lax0, true) ∧ abs-nodes(buf3, m, x1, lax1, true) → x0 = x1 ∧ lax0 = lax1 ⊦

Proof step 16 from proof abs-nodes-unique-weak-h (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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