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| Mirrors > Home > ILE Home > Th. List > addridi | GIF version | ||
| Description: 0 is an additive identity. (Contributed by NM, 23-Nov-1994.) (Revised by Scott Fenton, 3-Jan-2013.) |
| Ref | Expression |
|---|---|
| mul.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| addridi | ⊢ (𝐴 + 0) = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mul.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | addrid 8458 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 + 0) = 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1402 ∈ wcel 2209 (class class class)co 6079 ℂcc 8171 0cc0 8173 + caddc 8176 |
| This theorem was proved from axioms: ax-mp 5 ax-0id 8281 |
| This theorem is referenced by: 1p0e1 9403 9p1e10 9762 num0u 9770 numnncl2 9782 decrmanc 9816 decaddi 9819 decaddci 9820 decmul1 9823 decmulnc 9826 fsumrelem 12221 demoivreALT 12524 decsplit0 13189 ballotfilemth 13264 sinhalfpilem 15875 efipi 15885 log2ublem3 16068 log2ublog2 16069 |
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