| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > unitcld | Unicode version | ||
| Description: A unit is an element of the base set. (Contributed by Mario Carneiro, 1-Dec-2014.) |
| Ref | Expression |
|---|---|
| unitcld.1 |
|
| unitcld.2 |
|
| unitcld.r |
|
| unitcld.x |
|
| Ref | Expression |
|---|---|
| unitcld |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unitcld.1 |
. 2
| |
| 2 | eqidd 2239 |
. 2
| |
| 3 | unitcld.r |
. 2
| |
| 4 | unitcld.x |
. . . 4
| |
| 5 | unitcld.2 |
. . . . 5
| |
| 6 | eqidd 2239 |
. . . . 5
| |
| 7 | eqidd 2239 |
. . . . 5
| |
| 8 | eqidd 2239 |
. . . . 5
| |
| 9 | 5, 6, 2, 7, 8, 3 | isunitd 14389 |
. . . 4
|
| 10 | 4, 9 | mpbid 147 |
. . 3
|
| 11 | 10 | simpld 112 |
. 2
|
| 12 | 1, 2, 3, 11 | dvdsrcld 14380 |
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-addcom 8272 ax-addass 8274 ax-i2m1 8277 ax-0lt1 8278 ax-0id 8280 ax-rnegex 8281 ax-pre-ltirr 8284 ax-pre-ltadd 8288 |
| This theorem depends on definitions: df-bi 117 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-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 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-fv 5383 df-riota 6031 df-ov 6081 df-oprab 6082 df-mpo 6083 df-pnf 8355 df-mnf 8356 df-ltxr 8358 df-inn 9287 df-2 9345 df-3 9346 df-ndx 13336 df-slot 13337 df-base 13339 df-sets 13340 df-plusg 13424 df-mulr 13425 df-0g 13592 df-mgm 13656 df-sgrp 13697 df-mnd 13710 df-mgp 14198 df-srg 14245 df-dvdsr 14371 df-unit 14372 |
| This theorem is referenced by: unitssd 14392 unitmulcl 14396 unitgrp 14399 ringinvcl 14408 unitnegcl 14413 dvrvald 14417 unitdvcl 14419 dvrid 14420 dvrcan1 14423 dvrcan3 14424 dvreq1 14425 dvrdir 14426 elrhmunit 14460 subrguss 14520 subrginv 14521 subrgunit 14523 unitrrg 14552 ringunitap 14569 aprnzr 14575 drngunitap 14584 |
| Copyright terms: Public domain | W3C validator |