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| Mirrors > Home > ILE Home > Th. List > restbasg | Unicode version | ||
| Description: A subspace topology basis is a basis. (Contributed by Mario Carneiro, 19-Mar-2015.) |
| Ref | Expression |
|---|---|
| restbasg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 2833 |
. . 3
| |
| 2 | elrest 13600 |
. . . . . . 7
| |
| 3 | elrest 13600 |
. . . . . . 7
| |
| 4 | 2, 3 | anbi12d 477 |
. . . . . 6
|
| 5 | reeanv 2721 |
. . . . . 6
| |
| 6 | 4, 5 | bitr4di 198 |
. . . . 5
|
| 7 | simplll 539 |
. . . . . . . . . 10
| |
| 8 | simplrl 541 |
. . . . . . . . . 10
| |
| 9 | simplrr 542 |
. . . . . . . . . 10
| |
| 10 | simpr 110 |
. . . . . . . . . . 11
| |
| 11 | 10 | elin1d 3418 |
. . . . . . . . . 10
|
| 12 | basis2 15149 |
. . . . . . . . . 10
| |
| 13 | 7, 8, 9, 11, 12 | syl22anc 1279 |
. . . . . . . . 9
|
| 14 | simplll 539 |
. . . . . . . . . . . 12
| |
| 15 | 14 | simpld 112 |
. . . . . . . . . . 11
|
| 16 | 14 | simprd 114 |
. . . . . . . . . . 11
|
| 17 | simprl 535 |
. . . . . . . . . . 11
| |
| 18 | elrestr 13601 |
. . . . . . . . . . 11
| |
| 19 | 15, 16, 17, 18 | syl3anc 1278 |
. . . . . . . . . 10
|
| 20 | simprrl 545 |
. . . . . . . . . . 11
| |
| 21 | simplr 533 |
. . . . . . . . . . . 12
| |
| 22 | 21 | elin2d 3419 |
. . . . . . . . . . 11
|
| 23 | 20, 22 | elind 3414 |
. . . . . . . . . 10
|
| 24 | simprrr 546 |
. . . . . . . . . . 11
| |
| 25 | 24 | ssrind 3458 |
. . . . . . . . . 10
|
| 26 | eleq2 2302 |
. . . . . . . . . . . 12
| |
| 27 | sseq1 3271 |
. . . . . . . . . . . 12
| |
| 28 | 26, 27 | anbi12d 477 |
. . . . . . . . . . 11
|
| 29 | 28 | rspcev 2929 |
. . . . . . . . . 10
|
| 30 | 19, 23, 25, 29 | syl12anc 1276 |
. . . . . . . . 9
|
| 31 | 13, 30 | rexlimddv 2673 |
. . . . . . . 8
|
| 32 | 31 | ralrimiva 2623 |
. . . . . . 7
|
| 33 | ineq12 3427 |
. . . . . . . . 9
| |
| 34 | inindir 3449 |
. . . . . . . . 9
| |
| 35 | 33, 34 | eqtr4di 2289 |
. . . . . . . 8
|
| 36 | 35 | sseq2d 3278 |
. . . . . . . . . 10
|
| 37 | 36 | anbi2d 468 |
. . . . . . . . 9
|
| 38 | 37 | rexbidv 2551 |
. . . . . . . 8
|
| 39 | 35, 38 | raleqbidv 2765 |
. . . . . . 7
|
| 40 | 32, 39 | syl5ibrcom 157 |
. . . . . 6
|
| 41 | 40 | rexlimdvva 2676 |
. . . . 5
|
| 42 | 6, 41 | sylbid 150 |
. . . 4
|
| 43 | 42 | ralrimivv 2631 |
. . 3
|
| 44 | 1, 43 | sylan2 286 |
. 2
|
| 45 | restfn 13597 |
. . . 4
| |
| 46 | simpl 109 |
. . . . 5
| |
| 47 | 46 | elexd 2835 |
. . . 4
|
| 48 | 1 | adantl 277 |
. . . 4
|
| 49 | fnovex 6118 |
. . . 4
| |
| 50 | 45, 47, 48, 49 | mp3an2i 1383 |
. . 3
|
| 51 | isbasis2g 15146 |
. . 3
| |
| 52 | 50, 51 | syl 14 |
. 2
|
| 53 | 44, 52 | mpbird 167 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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-coll 4246 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 |
| This proof 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-ral 2533 df-rex 2534 df-reu 2535 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-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-rest 13595 df-bases 15144 |
| This theorem is used by: resttop 15271 |
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