Metamath Proof Explorer


Theorem 5ndvds3

Description: 5 does not divide 3. (Contributed by AV, 8-Sep-2025)

Ref Expression
Assertion 5ndvds3 ⊢ ¬ 5 ∥ 3

Proof

Step Hyp Ref Expression
1 5nn ⊢ 5 ∈ ℕ
2 0nn0 ⊢ 0 ∈ ℕ 0
3 3nn ⊢ 3 ∈ ℕ
4 5cn ⊢ 5 ∈ ℂ
5 4 mul01i ⊢ 5 ⋅ 0 = 0
6 5 oveq1i ⊢ 5 ⋅ 0 + 3 = 0 + 3
7 3cn ⊢ 3 ∈ ℂ
8 7 addlidi ⊢ 0 + 3 = 3
9 6 8 eqtri ⊢ 5 ⋅ 0 + 3 = 3
10 3lt5 ⊢ 3 < 5
11 1 2 3 9 10 ndvdsi ⊢ ¬ 5 ∥ 3