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Proof step 1 from proof fin-to (conclusion)

⊦ finp(σ to m)

User applied rule structural induction

And closed the goal!

Rule argument

indvar: σ

Additional information

Used simplifier rules: to-fin: ⊦ ⌜x⌝ to n = ⌜x to n⌝ ;%to-inf: ⊦ ⌜nf⌝ to n = ⌜nf to n⌝ ;%finp-infto: ⊦ finp(⌜nf to n⌝ );%stream freely generated by ⌜ ⌝, ⌜ ⌝;;%test-02: ⊦ finp(⌜x⌝ ); from specification stream-basic