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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 8464 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐴 + 0) = 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-0id 8287 |
| This theorem is used by: subsub2 8554 negsub 8574 ltaddneg 8752 ltaddpos 8780 addge01 8800 add20 8802 apreap 8916 nnge1 9328 nnnn0addcl 9595 un0addcl 9598 peano2z 9682 zaddcl 9686 uzaddcl 9988 xaddid1 10266 fzosubel3 10616 expadd 11020 faclbnd6 11184 omgadd 11244 ccatrid 11377 pfxmpt 11454 pfxfv 11458 pfxswrd 11480 pfxccatin12lem1 11502 pfxccatin12lem2 11505 swrdccat3blem 11513 reim0b 11629 rereb 11630 immul2 11647 resqrexlemcalc3 11784 resqrexlemnm 11786 max0addsup 11987 fsumsplit 12176 sumsplitdc 12201 bitsinv1lem 12730 bezoutlema 12778 pcadd 13121 pcadd2 13122 pcmpt 13124 mulgnn0dir 13957 cosmpi 15920 sinppi 15921 sinhalfpip 15924 vtxdumgrfival 16551 p1evtxdeqfi 16565 eupth2lem3lem6fi 16724 trilpolemlt1 17102 |
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