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| Mirrors > Home > ILE Home > Th. List > qtopbasss | Unicode version | ||
| Description: The set of open intervals with endpoints in a subset forms a basis for a topology. (Contributed by Mario Carneiro, 17-Jun-2014.) (Revised by Jim Kingdon, 22-May-2023.) |
| Ref | Expression |
|---|---|
| qtopbas.1 |
|
| qtopbas.max |
|
| qtopbas.min |
|
| Ref | Expression |
|---|---|
| qtopbasss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iooex 10326 |
. . 3
| |
| 2 | 1 | imaex 5144 |
. 2
|
| 3 | qtopbas.1 |
. . . . . . . . 9
| |
| 4 | 3 | sseli 3244 |
. . . . . . . 8
|
| 5 | 3 | sseli 3244 |
. . . . . . . 8
|
| 6 | 4, 5 | anim12i 338 |
. . . . . . 7
|
| 7 | 3 | sseli 3244 |
. . . . . . . 8
|
| 8 | 3 | sseli 3244 |
. . . . . . . 8
|
| 9 | 7, 8 | anim12i 338 |
. . . . . . 7
|
| 10 | iooinsup 12068 |
. . . . . . 7
| |
| 11 | 6, 9, 10 | syl2an 289 |
. . . . . 6
|
| 12 | qtopbas.max |
. . . . . . . . . . 11
| |
| 13 | 12 | rgen2a 2604 |
. . . . . . . . . 10
|
| 14 | preq12 3790 |
. . . . . . . . . . . . . 14
| |
| 15 | prcom 3787 |
. . . . . . . . . . . . . 14
| |
| 16 | 14, 15 | eqtrdi 2287 |
. . . . . . . . . . . . 13
|
| 17 | 16 | supeq1d 7333 |
. . . . . . . . . . . 12
|
| 18 | 17 | eleq1d 2307 |
. . . . . . . . . . 11
|
| 19 | 18 | rspc2gv 2942 |
. . . . . . . . . 10
|
| 20 | 13, 19 | mpi 15 |
. . . . . . . . 9
|
| 21 | 20 | ancoms 268 |
. . . . . . . 8
|
| 22 | qtopbas.min |
. . . . . . . . . 10
| |
| 23 | 22 | rgen2a 2604 |
. . . . . . . . 9
|
| 24 | preq12 3790 |
. . . . . . . . . . . 12
| |
| 25 | 24 | infeq1d 7358 |
. . . . . . . . . . 11
|
| 26 | 25 | eleq1d 2307 |
. . . . . . . . . 10
|
| 27 | 26 | rspc2gv 2942 |
. . . . . . . . 9
|
| 28 | 23, 27 | mpi 15 |
. . . . . . . 8
|
| 29 | df-ov 6091 |
. . . . . . . . 9
| |
| 30 | opelxpi 4808 |
. . . . . . . . . 10
| |
| 31 | ioof 10390 |
. . . . . . . . . . . 12
| |
| 32 | ffun 5539 |
. . . . . . . . . . . 12
| |
| 33 | 31, 32 | ax-mp 5 |
. . . . . . . . . . 11
|
| 34 | xpss12 4884 |
. . . . . . . . . . . . 13
| |
| 35 | 3, 3, 34 | mp2an 430 |
. . . . . . . . . . . 12
|
| 36 | 31 | fdmi 5544 |
. . . . . . . . . . . 12
|
| 37 | 35, 36 | sseqtrri 3283 |
. . . . . . . . . . 11
|
| 38 | funfvima2 5954 |
. . . . . . . . . . 11
| |
| 39 | 33, 37, 38 | mp2an 430 |
. . . . . . . . . 10
|
| 40 | 30, 39 | syl 14 |
. . . . . . . . 9
|
| 41 | 29, 40 | eqeltrid 2325 |
. . . . . . . 8
|
| 42 | 21, 28, 41 | syl2an 289 |
. . . . . . 7
|
| 43 | 42 | an4s 596 |
. . . . . 6
|
| 44 | 11, 43 | eqeltrd 2315 |
. . . . 5
|
| 45 | 44 | ralrimivva 2632 |
. . . 4
|
| 46 | 45 | rgen2a 2604 |
. . 3
|
| 47 | ffn 5536 |
. . . . . 6
| |
| 48 | 31, 47 | ax-mp 5 |
. . . . 5
|
| 49 | ineq1 3425 |
. . . . . . . 8
| |
| 50 | 49 | eleq1d 2307 |
. . . . . . 7
|
| 51 | 50 | ralbidv 2550 |
. . . . . 6
|
| 52 | 51 | ralima 5964 |
. . . . 5
|
| 53 | 48, 35, 52 | mp2an 430 |
. . . 4
|
| 54 | fveq2 5698 |
. . . . . . . . . 10
| |
| 55 | df-ov 6091 |
. . . . . . . . . 10
| |
| 56 | 54, 55 | eqtr4di 2289 |
. . . . . . . . 9
|
| 57 | 56 | ineq1d 3431 |
. . . . . . . 8
|
| 58 | 57 | eleq1d 2307 |
. . . . . . 7
|
| 59 | 58 | ralbidv 2550 |
. . . . . 6
|
| 60 | ineq2 3426 |
. . . . . . . . . 10
| |
| 61 | 60 | eleq1d 2307 |
. . . . . . . . 9
|
| 62 | 61 | ralima 5964 |
. . . . . . . 8
|
| 63 | 48, 35, 62 | mp2an 430 |
. . . . . . 7
|
| 64 | fveq2 5698 |
. . . . . . . . . . 11
| |
| 65 | df-ov 6091 |
. . . . . . . . . . 11
| |
| 66 | 64, 65 | eqtr4di 2289 |
. . . . . . . . . 10
|
| 67 | 66 | ineq2d 3432 |
. . . . . . . . 9
|
| 68 | 67 | eleq1d 2307 |
. . . . . . . 8
|
| 69 | 68 | ralxp 4925 |
. . . . . . 7
|
| 70 | 63, 69 | bitri 184 |
. . . . . 6
|
| 71 | 59, 70 | bitrdi 196 |
. . . . 5
|
| 72 | 71 | ralxp 4925 |
. . . 4
|
| 73 | 53, 72 | bitri 184 |
. . 3
|
| 74 | 46, 73 | mpbir 146 |
. 2
|
| 75 | fiinbas 15275 |
. 2
| |
| 76 | 2, 74, 75 | mp2an 430 |
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 4248 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-iinf 4737 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-mulrcl 8284 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-precex 8295 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-apti 8300 ax-pre-ltadd 8301 ax-pre-mulgt0 8302 ax-pre-mulext 8303 ax-arch 8304 ax-caucvg 8305 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 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-reu 2535 df-rmo 2536 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-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-po 4443 df-iso 4444 df-iord 4513 df-on 4515 df-ilim 4516 df-suc 4518 df-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-isom 5389 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-recs 6580 df-frec 6666 df-sup 7330 df-inf 7331 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-reap 8911 df-ap 8918 df-div 9011 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-n0 9575 df-z 9656 df-uz 9938 df-rp 10072 df-xneg 10191 df-ioo 10311 df-seqfrec 10906 df-exp 10997 df-cj 11629 df-re 11630 df-im 11631 df-rsqrt 11786 df-abs 11787 df-bases 15269 |
| This theorem is used by: qtopbas 15748 retopbas 15749 |
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