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Theorem lift-ex-r

⊦ a[_∃ rhP] = _∃(λ r. a[rhP(r)])

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 10
Proof steps: 23
Used lemmas: lift-aux,
Used spec theorems:
- heap-aux/mk-exists
Used simplifier rules:
- heap-aux/ex1
- maplet/ex1
- set-basic/refset/size-zero-01
- set-basic/refset/ne-01