Description: Division into zero is zero. (Contributed by NM, 12-Aug-1999)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | divclz.1 | ⊢ 𝐴 ∈ ℂ | |
| reccl.2 | ⊢ 𝐴 ≠ 0 | ||
| Assertion | div0i | ⊢ ( 0 / 𝐴 ) = 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divclz.1 | ⊢ 𝐴 ∈ ℂ | |
| 2 | reccl.2 | ⊢ 𝐴 ≠ 0 | |
| 3 | div0 | ⊢ ( ( 𝐴 ∈ ℂ ∧ 𝐴 ≠ 0 ) → ( 0 / 𝐴 ) = 0 ) | |
| 4 | 1 2 3 | mp2an | ⊢ ( 0 / 𝐴 ) = 0 |