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Related theorems Unicode version |
| Description: Union is smaller than subspace sum. |
| Ref | Expression |
|---|---|
| shincl.1 |
|
| shincl.2 |
|
| Ref | Expression |
|---|---|
| shunss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 3006 |
. . . . . . 7
| |
| 2 | 1 | cleq2d 1112 |
. . . . . 6
|
| 3 | opreq2 3007 |
. . . . . . 7
| |
| 4 | 3 | cleq2d 1112 |
. . . . . 6
|
| 5 | 2, 4 | rcla42ev 1405 |
. . . . 5
|
| 6 | shincl.2 |
. . . . . . 7
| |
| 7 | sh0 5122 |
. . . . . . 7
| |
| 8 | 6, 7 | ax-mp 6 |
. . . . . 6
|
| 9 | 8 | jctr 239 |
. . . . 5
|
| 10 | shincl.1 |
. . . . . . . 8
| |
| 11 | 10 | shel 5120 |
. . . . . . 7
|
| 12 | ax-hvaddid 4988 |
. . . . . . 7
| |
| 13 | 11, 12 | syl 12 |
. . . . . 6
|
| 14 | 13 | cleqcomd 1106 |
. . . . 5
|
| 15 | 5, 9, 14 | sylanc 361 |
. . . 4
|
| 16 | opreq1 3006 |
. . . . . . 7
| |
| 17 | 16 | cleq2d 1112 |
. . . . . 6
|
| 18 | opreq2 3007 |
. . . . . . 7
| |
| 19 | 18 | cleq2d 1112 |
. . . . . 6
|
| 20 | 17, 19 | rcla42ev 1405 |
. . . . 5
|
| 21 | sh0 5122 |
. . . . . . 7
| |
| 22 | 10, 21 | ax-mp 6 |
. . . . . 6
|
| 23 | 22 | jctl 238 |
. . . . 5
|
| 24 | 6 | shel 5120 |
. . . . . . 7
|
| 25 | hvaddid2t 5003 |
. . . . . . 7
| |
| 26 | 24, 25 | syl 12 |
. . . . . 6
|
| 27 | 26 | cleqcomd 1106 |
. . . . 5
|
| 28 | 20, 23, 27 | sylanc 361 |
. . . 4
|
| 29 | 15, 28 | jaoi 275 |
. . 3
|
| 30 | elun 1601 |
. . 3
| |
| 31 | 10, 6 | shsel 5281 |
. . 3
|
| 32 | 29, 30, 31 | 3imtr4 192 |
. 2
|
| 33 | 32 | ssriv 1508 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: shunssj 5340 shsumval2 5361 shjshs 5412 spanun 5450 osum 5538 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 ax-hilex 4983 ax-hvaddcl 4984 ax-hvcom 4985 ax-hvzercl 4987 ax-hvaddid 4988 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ral 1205 df-rex 1206 df-rab 1208 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-uni 1920 df-br 2063 df-opab 2098 df-id 2125 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fv 2438 df-opr 3003 df-oprab 3004 df-sh 5114 df-shsum 5275 |