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Proof step 1 from proof toinf-add (conclusion)

⊦ σ to∞ ⌜n⌝ + ⌜m⌝ = σ to n + m

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ ⌜(* n)⌝ + ⌜(* m)⌝ = ⌜n + m⌝
Proof step 3:
⊦ σ to∞ ⌜n + m⌝ = σ to n + m

Rule argument

spec: nat-inf inst: name: num-add seq: ⊦ ⌜(* n)⌝ + ⌜(* m)⌝ = ⌜n + m⌝ subst: [m, n] → [m, n] flags: rewrite

Additional information

Used terms: m, n