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Proof step 5 from proof le-ls-neq (
previous step
)
⊦ dec = dec0, dec0 < dec, dec < dec0
User applied rule insert lemma
And obtained the following new goals
Proof step 6
:
⊦ dec < dec0 ∨ dec = dec0 ∨ dec0 < dec
Rule argument
spec: inst: name: less-totality seq: ⊦ dec < dec0 ∨ dec = dec0 ∨ dec0 < dec subst: [dec, dec0] → [dec, dec0] flags: current, []
Additional information
Used terms: dec, dec0