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Proof step 1 from proof fin-size-from2 (conclusion)
⊦ ¬ # σ < ⌜n⌝ ∧ finp(σ) → #(σ from n) = ⌜(# σ).n - n⌝
System applied rule normalize
And obtained the following new goals
Proof step 2
:
finp(σ) ⊦ #(σ from n) = ⌜(# σ).n - n⌝ , # σ < ⌜n⌝
Rule argument
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