Step
*
1
1
1
of Lemma
qexpfact_wf
.....equality.....
1. n : ℕ
2. x : ℚ
3. 0 ≤ x
4. p : ℚ
5. ¬p < (n)!
6. x = 0 ∈ ℚ
⊢ (x * p) = 0 ∈ ℚ
BY
{ ((HypSubst (-1) 0 THEN Auto) THEN QNorm 0) }
Latex:
Latex:
.....equality.....
1. n : \mBbbN{}
2. x : \mBbbQ{}
3. 0 \mleq{} x
4. p : \mBbbQ{}
5. \mneg{}p < (n)!
6. x = 0
\mvdash{} (x * p) = 0
By
Latex:
((HypSubst (-1) 0 THEN Auto) THEN QNorm 0)
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