| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > zgz | Unicode version | ||
| Description: An integer is a gaussian integer. (Contributed by Mario Carneiro, 14-Jul-2014.) |
| Ref | Expression |
|---|---|
| zgz |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 9631 |
. 2
| |
| 2 | zre 9630 |
. . . 4
| |
| 3 | 2 | rered 11716 |
. . 3
|
| 4 | id 19 |
. . 3
| |
| 5 | 3, 4 | eqeltrd 2315 |
. 2
|
| 6 | 2 | reim0d 11717 |
. . 3
|
| 7 | 0z 9637 |
. . 3
| |
| 8 | 6, 7 | eqeltrdi 2329 |
. 2
|
| 9 | elgz 13131 |
. 2
| |
| 10 | 1, 5, 8, 9 | syl3anbrc 1212 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8263 ax-resscn 8264 ax-1cn 8265 ax-1re 8266 ax-icn 8267 ax-addcl 8268 ax-addrcl 8269 ax-mulcl 8270 ax-mulrcl 8271 ax-addcom 8272 ax-mulcom 8273 ax-addass 8274 ax-mulass 8275 ax-distr 8276 ax-i2m1 8277 ax-0lt1 8278 ax-1rid 8279 ax-0id 8280 ax-rnegex 8281 ax-precex 8282 ax-cnre 8283 ax-pre-ltirr 8284 ax-pre-ltwlin 8285 ax-pre-lttrn 8286 ax-pre-apti 8287 ax-pre-ltadd 8288 ax-pre-mulgt0 8289 ax-pre-mulext 8290 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-po 4439 df-iso 4440 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-fv 5383 df-riota 6031 df-ov 6081 df-oprab 6082 df-mpo 6083 df-pnf 8355 df-mnf 8356 df-xr 8357 df-ltxr 8358 df-le 8359 df-sub 8492 df-neg 8493 df-reap 8896 df-ap 8903 df-div 8996 df-2 9345 df-z 9627 df-cj 11588 df-re 11589 df-im 11590 df-gz 13130 |
| This theorem is referenced by: gzreim 13139 mul4sqlem 13153 4sqlem13m 13163 4sqlem19 13169 gzsubrg 14894 2sqlem9 16160 2sqlem10 16161 |
| Copyright terms: Public domain | W3C validator |