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Proof step 3 from proof iterate-subseq-leq (previous step)

monotone(f) ⊦ (λ x. false) ⊆ ((f ^ n))(λ x. false)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: monotone-set-fixpoint inst: name: subseteq-def seq: ⊦ S ⊆ S0 ↔ (∀ x. S(x) → S0(x)) subst: [S0, S] → [((f ^ n))(λ x. false), λ x. false] flags: rewrite

Additional information

Used terms: ((f ^ n))(λ x. false), λ x. false