Step
*
1
1
of Lemma
prime_elim
1. p : ℤ
2. prime(p)
3. ¬(p = 0 ∈ ℤ)
4. ¬(p ~ 1)
5. ∀b,c:ℤ-o. ((b ~ 1) ∨ (c ~ 1) ∨ (¬(p = (b * c) ∈ ℤ)))
6. a : ℤ
7. a | p
⊢ (a ~ 1) ∨ (a ~ p)
BY
{ D 7 }
1
1. p : ℤ
2. prime(p)
3. ¬(p = 0 ∈ ℤ)
4. ¬(p ~ 1)
5. ∀b,c:ℤ-o. ((b ~ 1) ∨ (c ~ 1) ∨ (¬(p = (b * c) ∈ ℤ)))
6. a : ℤ
7. c : ℤ
8. p = (a * c) ∈ ℤ
⊢ (a ~ 1) ∨ (a ~ p)
Latex:
Latex:
1. p : \mBbbZ{}
2. prime(p)
3. \mneg{}(p = 0)
4. \mneg{}(p \msim{} 1)
5. \mforall{}b,c:\mBbbZ{}\msupminus{}\msupzero{}. ((b \msim{} 1) \mvee{} (c \msim{} 1) \mvee{} (\mneg{}(p = (b * c))))
6. a : \mBbbZ{}
7. a | p
\mvdash{} (a \msim{} 1) \mvee{} (a \msim{} p)
By
Latex:
D 7
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