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Proof step 3 from proof encoding-unique (previous step)

# lpt0 = # lpt1, is-encoded(lpt0, buf), is-encoded(lpt1, buf) ⊦ lpt0 = lpt1

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 4:
⊦ is-encoded(lpt, buf) ↔ is-encoded(lpt, buf, # lpt)
Proof step 5:
# lpt0 = # lpt1, is-encoded(lpt1, buf, # lpt1), is-encoded(lpt0, buf) ⊦ lpt0 = lpt1

Rule argument

spec: <toplevel> name: is-encoded-full seq: ⊦ is-encoded(lpt, buf) ↔ is-encoded(lpt, buf, # lpt) subst: [buf, lpt] → [buf, lpt1] flags: <all paths>

Additional information

Used terms: buf, lpt1