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Proof step 1 from proof inv-flashsize-empty (conclusion)

⊦ inv-flashsize([], lax) ↔ lax = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ inv-flashsize(x, lax) ↔ # x = # lax ∧ (∀ n. n < # x → lax[n].size = x[n].flashsize)

Rule argument

spec: <toplevel> name: inv-flashsize seq: ⊦ inv-flashsize(x, lax) ↔ # x = # lax ∧ (∀ n. n < # x → lax[n].size = x[n].flashsize) subst: [lax, x] → [lax, []] flags: <all paths>

Additional information

Used simplifier rules: ⊦ # [] = 0; (s)% ⊦ # lax = 0 ↔ lax = []; (s)% ⊦ # [] = 0; (s)% ⊦ ¬ m < 0; (s) Used terms: lax, []