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Proof step 33 from proof strengthen-recursive-node-property (previous step)

recursive-property(φn0, φe0) ⊦ recursive-node-property(n, φn1) ↔ recursive-node-property(n, λ r0, r1, H0, H1, map0, map1. φn0(r0, r1, H0, H1, map0, map1) ∧ φn1(r0, r1, H0, H1, map0, map1))

User applied rule case distinction

And obtained the following new goals

Proof step 21:
recursive-node-property(n, φn1), recursive-property(φn0, φe0) ⊦ recursive-node-property(n, λ r0, r1, H0, H1, map0, map1. φn0(r0, r1, H0, H1, map0, map1) ∧ φn1(r0, r1, H0, H1, map0, map1))

Rule argument

pos:right 1

Additional information

[Concretesimprules(())]