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Proof step 1 from proof test-01 (conclusion)

⊦ hex("9F15") = 40725

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ str ≠ "" → hex(str) = hexchar(str.char1) * 16 ^ (n→i(# str) - 1) + hex(str.rstring)
Proof step 3:
"9F15" ≠ "" ⊦ hexchar("9F15".char1) * 16 ^ (n→i(# "9F15") - 1) + hex("9F15".rstring) = 40725

Rule argument

name: hex-rec rotate: F subst: [str] → ["9F15"]

Additional information

Used terms: "9F15"