Metamath Proof Explorer


Theorem 5t2e10

Description: 5 times 2 equals 10. (Contributed by NM, 5-Feb-2007) (Revised by AV, 4-Sep-2021)

Ref Expression
Assertion 5t2e10 ( 5 · 2 ) = 1 0

Proof

Step Hyp Ref Expression
1 5nn0 5 ∈ ℕ0
2 1nn0 1 ∈ ℕ0
3 df-2 2 = ( 1 + 1 )
4 5cn 5 ∈ ℂ
5 4 mulid1i ( 5 · 1 ) = 5
6 5p5e10 ( 5 + 5 ) = 1 0
7 1 2 3 5 6 4t3lem ( 5 · 2 ) = 1 0