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Proof step 1 from proof abs-nodes-no-padding-rec (conclusion)

⊦ # buf = (a ' + x).flashsize → ( abs-nodes(buf, m, a ' + x, lax, false) ↔ (∃ buf0, buf1. buf = buf0 + buf1 ∧ lax ≠ [] ∧ lax.head.off = m ∧ lax.head.size = # buf0 ∧ abs-node(buf0, a) ∧ abs-nodes(buf1, m + # buf0, x, lax.tail, false)))

System applied rule normalize

And obtained the following new goals

Proof step 2:
# buf = (a ' + x).flashsize ⊦ abs-nodes(buf, m, a ' + x, lax, false) ↔ (∃ buf0, buf1. buf = buf0 + buf1 ∧ lax ≠ [] ∧ lax.head.off = m ∧ lax.head.size = # buf0 ∧ abs-node(buf0, a) ∧ abs-nodes(buf1, m + # buf0, x, lax.tail, false))

Proof step 1 from proof abs-nodes-no-padding-rec (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

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