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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 8473 | . 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 6088 ℂcc 8184 0cc0 8186 + caddc 8189 |
| 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 8279 ax-icn 8281 ax-addcl 8282 ax-mulcl 8284 ax-addcom 8286 ax-i2m1 8291 ax-0id 8294 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: negeu 8525 ltadd2 8755 subge0 8811 sublt0d 8907 un0addcl 9608 lincmb01cmp 10423 modsumfzodifsn 10855 bcm1n 11230 ccatlid 11397 swrdfv0 11449 swrdpfx 11502 pfxpfx 11503 cats1un 11516 swrdccatin2 11524 cats1fvnd 11560 rennim 11791 max0addsup 12009 fsumsplit 12200 sumsplitdc 12225 fisum0diag2 12240 isumsplit 12284 arisum2 12292 efaddlem 12467 eftlub 12483 ef4p 12487 moddvds 12592 gcdaddm 12787 gcdmultipled 12796 bezoutlemb 12803 pcmpt 13152 4sqlem11 13210 mulgnn0dir 14015 limcimolemlt 15902 dvcnp2cntop 15937 dvmptcmulcn 15959 dveflem 15964 dvef 15965 plymullem1 15986 sin0pilem1 16020 sin2kpi 16050 cos2kpi 16051 coshalfpim 16062 sinkpi 16086 logfac 16138 chtublem 16307 |
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