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 |