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| Mirrors > Home > ILE Home > Th. List > addridd | GIF version | ||
| Description: 0 is an additive identity. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| muld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| addridd | ⊢ (𝜑 → (𝐴 + 0) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | muld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | addrid 8300 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐴 + 0) = 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 (class class class)co 6010 ℂcc 8013 0cc0 8015 + caddc 8018 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-0id 8123 |
| This theorem is referenced by: subsub2 8390 negsub 8410 ltaddneg 8587 ltaddpos 8615 addge01 8635 add20 8637 apreap 8750 nnge1 9149 nnnn0addcl 9415 un0addcl 9418 peano2z 9498 zaddcl 9502 uzaddcl 9798 xaddid1 10075 fzosubel3 10419 expadd 10820 faclbnd6 10983 omgadd 11041 ccatrid 11160 pfxmpt 11233 pfxfv 11237 pfxswrd 11259 pfxccatin12lem1 11281 pfxccatin12lem2 11284 swrdccat3blem 11292 reim0b 11394 rereb 11395 immul2 11412 resqrexlemcalc3 11548 resqrexlemnm 11550 max0addsup 11751 fsumsplit 11939 sumsplitdc 11964 bitsinv1lem 12493 bezoutlema 12541 pcadd 12884 pcadd2 12885 pcmpt 12887 mulgnn0dir 13710 cosmpi 15511 sinppi 15512 sinhalfpip 15515 vtxdumgrfival 16084 trilpolemlt1 16523 |
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