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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 8407 | . 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 1398 ∈ wcel 2203 (class class class)co 6049 ℂcc 8121 0cc0 8123 + caddc 8126 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-0id 8231 |
| This theorem is referenced by: subsub2 8497 negsub 8517 ltaddneg 8694 ltaddpos 8722 addge01 8742 add20 8744 apreap 8857 nnge1 9256 nnnn0addcl 9522 un0addcl 9525 peano2z 9609 zaddcl 9613 uzaddcl 9914 xaddid1 10191 fzosubel3 10537 expadd 10939 faclbnd6 11102 omgadd 11161 ccatrid 11288 pfxmpt 11365 pfxfv 11369 pfxswrd 11391 pfxccatin12lem1 11413 pfxccatin12lem2 11416 swrdccat3blem 11424 reim0b 11540 rereb 11541 immul2 11558 resqrexlemcalc3 11694 resqrexlemnm 11696 max0addsup 11897 fsumsplit 12086 sumsplitdc 12111 bitsinv1lem 12640 bezoutlema 12688 pcadd 13031 pcadd2 13032 pcmpt 13034 mulgnn0dir 13858 cosmpi 15668 sinppi 15669 sinhalfpip 15672 vtxdumgrfival 16280 p1evtxdeqfi 16294 eupth2lem3lem6fi 16453 trilpolemlt1 16812 |
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