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Related theorems Unicode version |
| Description: The span of a union is the subspace sum of spans. |
| Ref | Expression |
|---|---|
| spanun.1 |
|
| spanun.2 |
|
| Ref | Expression |
|---|---|
| spanun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | spanun.1 |
. . . . . . 7
| |
| 2 | spanclt 9219 |
. . . . . . 7
| |
| 3 | 1, 2 | ax-mp 7 |
. . . . . 6
|
| 4 | spanun.2 |
. . . . . . 7
| |
| 5 | spanclt 9219 |
. . . . . . 7
| |
| 6 | 4, 5 | ax-mp 7 |
. . . . . 6
|
| 7 | 3, 6 | shscl 9196 |
. . . . 5
|
| 8 | 7 | shssi 9002 |
. . . 4
|
| 9 | spanss2 9229 |
. . . . . . 7
| |
| 10 | 1, 9 | ax-mp 7 |
. . . . . 6
|
| 11 | spanss2 9229 |
. . . . . . 7
| |
| 12 | 4, 11 | ax-mp 7 |
. . . . . 6
|
| 13 | unss12 2192 |
. . . . . 6
| |
| 14 | 10, 12, 13 | mp2an 695 |
. . . . 5
|
| 15 | 3, 6 | shunss 9252 |
. . . . 5
|
| 16 | 14, 15 | sstri 2063 |
. . . 4
|
| 17 | spanss 9233 |
. . . 4
| |
| 18 | 8, 16, 17 | mp2an 695 |
. . 3
|
| 19 | spanid 9232 |
. . . 4
| |
| 20 | 7, 19 | ax-mp 7 |
. . 3
|
| 21 | 18, 20 | sseqtr 2083 |
. 2
|
| 22 | 3, 6 | shsel 9195 |
. . . . 5
|
| 23 | r2ex 1683 |
. . . . 5
| |
| 24 | 22, 23 | bitr 173 |
. . . 4
|
| 25 | r19.27av 1746 |
. . . . . . 7
| |
| 26 | visset 1804 |
. . . . . . . . . . 11
| |
| 27 | 26 | elspan 9381 |
. . . . . . . . . 10
|
| 28 | 1, 27 | ax-mp 7 |
. . . . . . . . 9
|
| 29 | visset 1804 |
. . . . . . . . . . 11
| |
| 30 | 29 | elspan 9381 |
. . . . . . . . . 10
|
| 31 | 4, 30 | ax-mp 7 |
. . . . . . . . 9
|
| 32 | 28, 31 | anbi12i 481 |
. . . . . . . 8
|
| 33 | r19.26 1742 |
. . . . . . . 8
| |
| 34 | 32, 33 | bitr4 176 |
. . . . . . 7
|
| 35 | 25, 34 | sylanb 449 |
. . . . . 6
|
| 36 | prth 554 |
. . . . . . . . . . . . 13
| |
| 37 | unss 2194 |
. . . . . . . . . . . . 13
| |
| 38 | 36, 37 | syl5ibr 207 |
. . . . . . . . . . . 12
|
| 39 | shaddcltOLD 9007 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | sylan9r 469 |
. . . . . . . . . . 11
|
| 41 | eleq1 1526 |
. . . . . . . . . . . 12
| |
| 42 | 41 | biimprd 154 |
. . . . . . . . . . 11
|
| 43 | 40, 42 | sylan9 468 |
. . . . . . . . . 10
|
| 44 | 43 | exp42 383 |
. . . . . . . . 9
|
| 45 | 44 | imp4c 366 |
. . . . . . . 8
|
| 46 | 45 | r19.20i 1696 |
. . . . . . 7
|
| 47 | 1, 4 | unssi 2195 |
. . . . . . . 8
|
| 48 | visset 1804 |
. . . . . . . . 9
| |
| 49 | 48 | elspan 9381 |
. . . . . . . 8
|
| 50 | 47, 49 | ax-mp 7 |
. . . . . . 7
|
| 51 | 46, 50 | sylibr 200 |
. . . . . 6
|
| 52 | 35, 51 | syl 10 |
. . . . 5
|
| 53 | 52 | 19.23aivv 1291 |
. . . 4
|
| 54 | 24, 53 | sylbi 199 |
. . 3
|
| 55 | 54 | ssriv 2059 |
. 2
|
| 56 | 21, 55 | eqssi 2068 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: spanunt 9383 spanunsn 9419 spansnj 9508 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-inf2 4597 ax-hilex 8790 ax-hfvadd 8791 ax-hvcom 8792 ax-hvass 8793 ax-hv0cl 8794 ax-hvaddid 8795 ax-hfvmul 8796 ax-hvmulid 8797 ax-hvmulass 8798 ax-hvdistr1 8799 ax-hvdistr2 8800 ax-hvmul0 8801 ax-hfi 8867 ax-his1 8870 ax-his2 8871 ax-his3 8872 ax-his4 8873 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-nel 1580 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f |