| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8322 | . 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 1397 ∈ wcel 2201 (class class class)co 6023 ℂcc 8035 0cc0 8037 + caddc 8040 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-0id 8145 |
| This theorem is referenced by: subsub2 8412 negsub 8432 ltaddneg 8609 ltaddpos 8637 addge01 8657 add20 8659 apreap 8772 nnge1 9171 nnnn0addcl 9437 un0addcl 9440 peano2z 9520 zaddcl 9524 uzaddcl 9825 xaddid1 10102 fzosubel3 10447 expadd 10849 faclbnd6 11012 omgadd 11071 ccatrid 11193 pfxmpt 11270 pfxfv 11274 pfxswrd 11296 pfxccatin12lem1 11318 pfxccatin12lem2 11321 swrdccat3blem 11329 reim0b 11445 rereb 11446 immul2 11463 resqrexlemcalc3 11599 resqrexlemnm 11601 max0addsup 11802 fsumsplit 11991 sumsplitdc 12016 bitsinv1lem 12545 bezoutlema 12593 pcadd 12936 pcadd2 12937 pcmpt 12939 mulgnn0dir 13762 cosmpi 15569 sinppi 15570 sinhalfpip 15573 vtxdumgrfival 16178 p1evtxdeqfi 16192 eupth2lem3lem6fi 16351 trilpolemlt1 16712 |
| Copyright terms: Public domain | W3C validator |