Description: 1 divided by 1 is 1. (Contributed by David A. Wheeler, 7-Dec-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | 1div1e1 | ⊢ ( 1 / 1 ) = 1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn | ⊢ 1 ∈ ℂ | |
2 | div1 | ⊢ ( 1 ∈ ℂ → ( 1 / 1 ) = 1 ) | |
3 | 1 2 | ax-mp | ⊢ ( 1 / 1 ) = 1 |