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Theorem fits-pathex

⊦ ¬ junkref(str, r, st) ∧ fits(r, sks, st) → path∃(str, r, st[r -- sks] .refval, st)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: fits-pathex-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 6
Used lemmas: ex-fits-validrefs,
Used spec theorems:
- cyclic/validrefs-nopathex
Used simplifier rules:
- list-last/references/lin-01
- list-last/references/l-02
- list/references/app
- list/references/a
- list-last/references/l
- cyclic/pathex-one
- junkrefs/junkref-not-valid-01