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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 8465 | . 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 8517 ltadd2 8747 subge0 8803 sublt0d 8899 un0addcl 9598 lincmb01cmp 10407 modsumfzodifsn 10835 bcm1n 11209 ccatlid 11376 swrdfv0 11428 swrdpfx 11481 pfxpfx 11482 cats1un 11495 swrdccatin2 11503 cats1fvnd 11539 rennim 11770 max0addsup 11987 fsumsplit 12176 sumsplitdc 12201 fisum0diag2 12216 isumsplit 12260 arisum2 12268 efaddlem 12443 eftlub 12459 ef4p 12463 moddvds 12568 gcdaddm 12763 gcdmultipled 12772 bezoutlemb 12779 pcmpt 13124 4sqlem11 13182 mulgnn0dir 13957 limcimolemlt 15767 dvcnp2cntop 15802 dvmptcmulcn 15824 dveflem 15829 dvef 15830 plymullem1 15851 sin0pilem1 15885 sin2kpi 15915 cos2kpi 15916 coshalfpim 15927 sinkpi 15951 logfac 16001 |
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