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Proof step 3 from proof abs-nodes-first-adr-explicit (previous step)

abs-nodes(buf, m, a ' + x, lax, weak) ⊦ ∃ lax0. lax = lax.head ' + lax0

User applied rule induction

And obtained the following new goals

Proof step 4:
abs-nodes(buf, m, a ' + x, lax, weak), ∀ buf0, m, a, x, lax, weak. # buf0 < # buf → abs-nodes(buf0, m, a ' + x, lax, weak) → (∃ lax0. lax = lax.head ' + lax0) ⊦ ∃ lax0. lax = lax.head ' + lax0

Rule argument

indvar: # buf wfpred: <

Additional information

Used simplifier rules: <; (wellfounded) Used terms: # buf