Step
*
1
2
1
of Lemma
expfact-property
.....equality.....
1. k : ℕ
2. n : ℕ+
3. m : ℕ
4. n * k^m < (m)!
5. expfact(1;k;n * k^1;(1)!) ∈ {b:ℕ+| (n * k^b) ≤ (b)!}
⊢ expfact(1;k;n * k^1;(1)!) ~ expfact(1;k;n * k;1)
BY
{ xxx(EqCD THEN Auto)xxx }
Latex:
Latex:
.....equality.....
1. k : \mBbbN{}
2. n : \mBbbN{}\msupplus{}
3. m : \mBbbN{}
4. n * k\^{}m < (m)!
5. expfact(1;k;n * k\^{}1;(1)!) \mmember{} \{b:\mBbbN{}\msupplus{}| (n * k\^{}b) \mleq{} (b)!\}
\mvdash{} expfact(1;k;n * k\^{}1;(1)!) \msim{} expfact(1;k;n * k;1)
By
Latex:
xxx(EqCD THEN Auto)xxx
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