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Proof step 2 from proof is-encoded-size (previous step)

is-encoded(a, buf) ⊦ # buf = ENCODED_ELEM_SIZE

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ is-encoded(a, buf) → # buf = encoding-size(a)
Proof step 4:
⊦ encoding-size(a) = ENCODED_ELEM_SIZE

Rule argument

spec: encoding name: is-encoded-size seq: ⊦ is-encoded(a, buf) → # buf = encoding-size(a) subst: [a, buf] → [a, buf] flags: <all paths>

Additional information

Used simplifier rules: encoding-size: ⊦ encoding-size(a) = ENCODED_ELEM_SIZE; Used terms: a, buf