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Proof step 3 from proof pathex-putbyte-field-01 (conclusion)

⊦ ¬ junkref(str, r0, st) ∧ ¬ path∃(str, r0, r1, st) → ¬ path∃(str, r0, r1, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)])

User applied rule insert lemma

And obtained the following new goals

Proof step 1:
⊦ ¬ junkref(str, r0, st) ∧ path∃(str, r0, r1, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) → path∃(str, r0, r1, st)
Proof step 2:
⊦ ¬ junkref(str, r0, st) ∧ path∃(str, r0, r1, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) → path∃(str, r0, r1, st)

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: pathex-putbyte-field antecedent: succedent: ¬ junkref(str, r0, st) ∧ path∃ (str, r0, r1, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) → path∃(str, r0, r1, st) substlist: [str, r0, st, r1, r, class, fieldvar, by] → [str, r0, st, r1, r, class, fieldvar, by] add preconditions?: F is rewrite lemma?: F current spec?: T rotate lemma?: F replace all?: F paths: () dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r0, st, r1, r, class, fieldvar, by)]]