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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 9304 |
. . . . . . 7
| |
| 3 | 1, 2 | ax-mp 7 |
. . . . . 6
|
| 4 | spanun.2 |
. . . . . . 7
| |
| 5 | spanclt 9304 |
. . . . . . 7
| |
| 6 | 4, 5 | ax-mp 7 |
. . . . . 6
|
| 7 | 3, 6 | shscl 9281 |
. . . . 5
|
| 8 | 7 | shssi 9081 |
. . . 4
|
| 9 | spanss2 9314 |
. . . . . . 7
| |
| 10 | 1, 9 | ax-mp 7 |
. . . . . 6
|
| 11 | spanss2 9314 |
. . . . . . 7
| |
| 12 | 4, 11 | ax-mp 7 |
. . . . . 6
|
| 13 | unss12 2202 |
. . . . . 6
| |
| 14 | 10, 12, 13 | mp2an 697 |
. . . . 5
|
| 15 | 3, 6 | shunss 9337 |
. . . . 5
|
| 16 | 14, 15 | sstri 2073 |
. . . 4
|
| 17 | spanss 9318 |
. . . 4
| |
| 18 | 8, 16, 17 | mp2an 697 |
. . 3
|
| 19 | spanid 9317 |
. . . 4
| |
| 20 | 7, 19 | ax-mp 7 |
. . 3
|
| 21 | 18, 20 | sseqtr 2093 |
. 2
|
| 22 | 3, 6 | shsel 9280 |
. . . . 5
|
| 23 | r2ex 1691 |
. . . . 5
| |
| 24 | 22, 23 | bitr 173 |
. . . 4
|
| 25 | r19.27av 1754 |
. . . . . . 7
| |
| 26 | visset 1813 |
. . . . . . . . . . 11
| |
| 27 | 26 | elspan 9466 |
. . . . . . . . . 10
|
| 28 | 1, 27 | ax-mp 7 |
. . . . . . . . 9
|
| 29 | visset 1813 |
. . . . . . . . . . 11
| |
| 30 | 29 | elspan 9466 |
. . . . . . . . . 10
|
| 31 | 4, 30 | ax-mp 7 |
. . . . . . . . 9
|
| 32 | 28, 31 | anbi12i 482 |
. . . . . . . 8
|
| 33 | r19.26 1750 |
. . . . . . . 8
| |
| 34 | 32, 33 | bitr4 176 |
. . . . . . 7
|
| 35 | 25, 34 | sylanb 449 |
. . . . . 6
|
| 36 | prth 556 |
. . . . . . . . . . . . 13
| |
| 37 | unss 2204 |
. . . . . . . . . . . . 13
| |
| 38 | 36, 37 | syl5ibr 207 |
. . . . . . . . . . . 12
|
| 39 | shaddcltOLD 9086 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | sylan9r 469 |
. . . . . . . . . . 11
|
| 41 | eleq1 1534 |
. . . . . . . . . . . 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 1704 |
. . . . . . 7
|
| 47 | 1, 4 | unssi 2205 |
. . . . . . . 8
|
| 48 | visset 1813 |
. . . . . . . . 9
| |
| 49 | 48 | elspan 9466 |
. . . . . . . 8
|
| 50 | 47, 49 | ax-mp 7 |
. . . . . . 7
|
| 51 | 46, 50 | sylibr 200 |
. . . . . 6
|
| 52 | 35, 51 | syl 10 |
. . . . 5
|
| 53 | 52 | 19.23aivv 1296 |
. . . 4
|
| 54 | 24, 53 | sylbi 199 |
. . 3
|
| 55 | 54 | ssriv 2069 |
. 2
|
| 56 | 21, 55 | eqssi 2078 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: spanunt 9468 spanunsn 9502 spansnj 9591 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 ax-hilex 8869 ax-hfvadd 8870 ax-hvcom 8871 ax-hvass 8872 ax-hv0cl 8873 ax-hvaddid 8874 ax-hfvmul 8875 ax-hvmulid 8876 ax-hvmulass 8877 ax-hvdistr1 8878 ax-hvdistr2 8879 ax-hvmul0 8880 ax-hfi 8946 ax-his1 8949 ax-his2 8950 ax-his3 8951 ax-his4 8952 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-nel 1588 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 |