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| Mirrors > Home > ILE Home > Th. List > addlidd | GIF version | ||
| Description: 0 is a left identity for addition. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| muld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| addlidd | ⊢ (𝜑 → (0 + 𝐴) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | muld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | addlid 8466 | . 2 ⊢ (𝐴 ∈ ℂ → (0 + 𝐴) = 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (0 + 𝐴) = 𝐴) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 (class class class)co 6085 ℂcc 8177 0cc0 8179 + caddc 8182 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-17 1579 ax-ial 1587 ax-ext 2220 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-mulcl 8277 ax-addcom 8279 ax-i2m1 8284 ax-0id 8287 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: negeu 8518 ltadd2 8748 subge0 8804 sublt0d 8900 un0addcl 9600 lincmb01cmp 10415 modsumfzodifsn 10846 bcm1n 11221 ccatlid 11388 swrdfv0 11440 swrdpfx 11493 pfxpfx 11494 cats1un 11507 swrdccatin2 11515 cats1fvnd 11551 rennim 11782 max0addsup 12000 fsumsplit 12190 sumsplitdc 12215 fisum0diag2 12230 isumsplit 12274 arisum2 12282 efaddlem 12457 eftlub 12473 ef4p 12477 moddvds 12582 gcdaddm 12777 gcdmultipled 12786 bezoutlemb 12793 pcmpt 13142 4sqlem11 13200 mulgnn0dir 14004 limcimolemlt 15814 dvcnp2cntop 15849 dvmptcmulcn 15871 dveflem 15876 dvef 15877 plymullem1 15898 sin0pilem1 15932 sin2kpi 15962 cos2kpi 15963 coshalfpim 15974 sinkpi 15998 logfac 16048 chtublem 16214 |
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