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Proof step 3 from proof two-zero (previous step)

2 ^ j = 0, 0 ≤ j ⊦

User applied rule insert lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: notneg-01 seq: ⊦ 0 < i ∧ 0 ≤ j → ¬ i ^ j ≤ 0 subst: [i, j] → [2, j]

Additional information

Used terms: 2, j