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
2 0nn0 0 0
3 3nn 3
4 5cn 5
5 4 mul01i 5 0 = 0
6 5 oveq1i 5 0 + 3 = 0 + 3
7 3cn 3
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