Description: 6 times 2 equals 12. (Contributed by Mario Carneiro, 19-Apr-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | 6t2e12 | ⊢ ( 6 · 2 ) = ; 1 2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 6cn | ⊢ 6 ∈ ℂ | |
2 | 1 | times2i | ⊢ ( 6 · 2 ) = ( 6 + 6 ) |
3 | 6p6e12 | ⊢ ( 6 + 6 ) = ; 1 2 | |
4 | 2 3 | eqtri | ⊢ ( 6 · 2 ) = ; 1 2 |