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Proof step 4 from proof lift-ex-r (previous step)

a[_∃ rP](Ha) ⊦ ∃ r. a[rP(r)](Ha)

User applied rule apply lemma

And obtained the following new goals

Proof step 5:
⊦ ∃ rs, f, g. Ha = mk(rs, f, g)
Proof step 6:
a[_∃ rP](Ha), ∃ rs, f, g. Ha = mk(rs, f, g) ⊦ ∃ r. a[rP(r)](Ha)

Rule argument

spec: heap-fun, inst: heap-aux name: mk-exists seq: ⊦ ∃ rs, f, g. Ha = mk(rs, f, g) subst: [Ha] → [Ha]

Additional information

Used terms: Ha