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Proof step 8 from proof abs-nodes-one-abs-node (previous step)

# buf1 = NODE_HEADER_SIZE, # buf0 = a.alignedsize, is-encoded(a, subarray(buf0, 0, node-size-headerless(a))), is-encoded(nodeheader(node-size-headerless(a), false), buf1) ⊦ abs-nodes(buf1 + buf0 + validtrailer, m, a + [], ladr ', false) ↔ ladr = @(m, 2 * NODE_HEADER_SIZE + a.alignedsize)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 9:
⊦ a + x = a ' + x
Proof step 10:
# buf0 = a.alignedsize, # buf1 = NODE_HEADER_SIZE, is-encoded(nodeheader(node-size-headerless(a), false), buf1), is-encoded(a, subarray(buf0, 0, node-size-headerless(a))) ⊦ abs-nodes(buf1 + buf0 + validtrailer, m, a ' + [], ladr ', false) ↔ ladr = @(m, 2 * NODE_HEADER_SIZE + a.alignedsize)

Rule argument

spec: list name: c seq: ⊦ a + x = a ' + x subst: [x, a] → [[], a] flags: <all paths>

Additional information

Used terms: [], a