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Proof step 6 from proof bitsor-first-02 (previous step)

bitsor(false ' + bits0, false ' + bits2) = true ' + bits1 ⊦

User applied rule induction

And obtained the following new goals

Proof step 7:
bitsor(false ' + bits0, false ' + bits2) = true ' + bits1, ∀ bits1, bits2, bits. # bits < # bits0 → bitsor(false ' + bits, false ' + bits2) = true ' + bits1 → false ⊦ false

Rule argument

indvar: # bits0 wfpred: <

Additional information

Used simplifier rules: <; (wellfounded) Used terms: # bits0