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Proof step 5 from proof RED-iff-reduce (previous step)

t =>* t', irred(t') ⊦ 〈RED(t; t0)〉 t0 = t'

User applied rule insert lemma

And obtained the following new goals

Proof step 4:
t =>* t' ∧ irred(t') ⊦ 〈RED(t; t0)〉 t0 = t'

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: RED-complete antecedent: t =>* t' ∧ ¬ (∃ t0. t' => t0) succedent: 〈RED(t; t0)〉 t0 = t' substlist: [t, t'] → [t, t'] add preconditions?: F is rewrite lemma?: F current spec?: T rotate lemma?: F replace all?: F paths: () dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (t, t')]]