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Theorem nounsharedextR-notcodren

⊦ ¬ cod(ren)(cren(ca)) ∧ nounsharedextR(cren, cext, ren) → cext !(ca ') = []

Type: A user defined theorem
Validity: The proof is valid.
Features: ls,
Comment:
Used by: finfrag-repla-sametrace, finfrag-repls-head, repl-fin-size,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: nounsharedextR-notcodren-internal,
Used spec theorems:
- Used simplifier rules:
  - remtau/one-eq-empty