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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 10240 |
. . 3
| |
| 2 | 1 | imaex 5116 |
. 2
|
| 3 | qtopbas.1 |
. . . . . . . . 9
| |
| 4 | 3 | sseli 3234 |
. . . . . . . 8
|
| 5 | 3 | sseli 3234 |
. . . . . . . 8
|
| 6 | 4, 5 | anim12i 338 |
. . . . . . 7
|
| 7 | 3 | sseli 3234 |
. . . . . . . 8
|
| 8 | 3 | sseli 3234 |
. . . . . . . 8
|
| 9 | 7, 8 | anim12i 338 |
. . . . . . 7
|
| 10 | iooinsup 11962 |
. . . . . . 7
| |
| 11 | 6, 9, 10 | syl2an 289 |
. . . . . 6
|
| 12 | qtopbas.max |
. . . . . . . . . . 11
| |
| 13 | 12 | rgen2a 2596 |
. . . . . . . . . 10
|
| 14 | preq12 3770 |
. . . . . . . . . . . . . 14
| |
| 15 | prcom 3767 |
. . . . . . . . . . . . . 14
| |
| 16 | 14, 15 | eqtrdi 2281 |
. . . . . . . . . . . . 13
|
| 17 | 16 | supeq1d 7278 |
. . . . . . . . . . . 12
|
| 18 | 17 | eleq1d 2301 |
. . . . . . . . . . 11
|
| 19 | 18 | rspc2gv 2933 |
. . . . . . . . . 10
|
| 20 | 13, 19 | mpi 15 |
. . . . . . . . 9
|
| 21 | 20 | ancoms 268 |
. . . . . . . 8
|
| 22 | qtopbas.min |
. . . . . . . . . 10
| |
| 23 | 22 | rgen2a 2596 |
. . . . . . . . 9
|
| 24 | preq12 3770 |
. . . . . . . . . . . 12
| |
| 25 | 24 | infeq1d 7303 |
. . . . . . . . . . 11
|
| 26 | 25 | eleq1d 2301 |
. . . . . . . . . 10
|
| 27 | 26 | rspc2gv 2933 |
. . . . . . . . 9
|
| 28 | 23, 27 | mpi 15 |
. . . . . . . 8
|
| 29 | df-ov 6053 |
. . . . . . . . 9
| |
| 30 | opelxpi 4781 |
. . . . . . . . . 10
| |
| 31 | ioof 10304 |
. . . . . . . . . . . 12
| |
| 32 | ffun 5511 |
. . . . . . . . . . . 12
| |
| 33 | 31, 32 | ax-mp 5 |
. . . . . . . . . . 11
|
| 34 | xpss12 4857 |
. . . . . . . . . . . . 13
| |
| 35 | 3, 3, 34 | mp2an 426 |
. . . . . . . . . . . 12
|
| 36 | 31 | fdmi 5516 |
. . . . . . . . . . . 12
|
| 37 | 35, 36 | sseqtrri 3273 |
. . . . . . . . . . 11
|
| 38 | funfvima2 5919 |
. . . . . . . . . . 11
| |
| 39 | 33, 37, 38 | mp2an 426 |
. . . . . . . . . 10
|
| 40 | 30, 39 | syl 14 |
. . . . . . . . 9
|
| 41 | 29, 40 | eqeltrid 2319 |
. . . . . . . 8
|
| 42 | 21, 28, 41 | syl2an 289 |
. . . . . . 7
|
| 43 | 42 | an4s 592 |
. . . . . 6
|
| 44 | 11, 43 | eqeltrd 2309 |
. . . . 5
|
| 45 | 44 | ralrimivva 2624 |
. . . 4
|
| 46 | 45 | rgen2a 2596 |
. . 3
|
| 47 | ffn 5508 |
. . . . . 6
| |
| 48 | 31, 47 | ax-mp 5 |
. . . . 5
|
| 49 | ineq1 3415 |
. . . . . . . 8
| |
| 50 | 49 | eleq1d 2301 |
. . . . . . 7
|
| 51 | 50 | ralbidv 2542 |
. . . . . 6
|
| 52 | 51 | ralima 5928 |
. . . . 5
|
| 53 | 48, 35, 52 | mp2an 426 |
. . . 4
|
| 54 | fveq2 5670 |
. . . . . . . . . 10
| |
| 55 | df-ov 6053 |
. . . . . . . . . 10
| |
| 56 | 54, 55 | eqtr4di 2283 |
. . . . . . . . 9
|
| 57 | 56 | ineq1d 3421 |
. . . . . . . 8
|
| 58 | 57 | eleq1d 2301 |
. . . . . . 7
|
| 59 | 58 | ralbidv 2542 |
. . . . . 6
|
| 60 | ineq2 3416 |
. . . . . . . . . 10
| |
| 61 | 60 | eleq1d 2301 |
. . . . . . . . 9
|
| 62 | 61 | ralima 5928 |
. . . . . . . 8
|
| 63 | 48, 35, 62 | mp2an 426 |
. . . . . . 7
|
| 64 | fveq2 5670 |
. . . . . . . . . . 11
| |
| 65 | df-ov 6053 |
. . . . . . . . . . 11
| |
| 66 | 64, 65 | eqtr4di 2283 |
. . . . . . . . . 10
|
| 67 | 66 | ineq2d 3422 |
. . . . . . . . 9
|
| 68 | 67 | eleq1d 2301 |
. . . . . . . 8
|
| 69 | 68 | ralxp 4898 |
. . . . . . 7
|
| 70 | 63, 69 | bitri 184 |
. . . . . 6
|
| 71 | 59, 70 | bitrdi 196 |
. . . . 5
|
| 72 | 71 | ralxp 4898 |
. . . 4
|
| 73 | 53, 72 | bitri 184 |
. . 3
|
| 74 | 46, 73 | mpbir 146 |
. 2
|
| 75 | fiinbas 14914 |
. 2
| |
| 76 | 2, 74, 75 | mp2an 426 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4225 ax-sep 4228 ax-nul 4236 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-iinf 4710 ax-cnex 8218 ax-resscn 8219 ax-1cn 8220 ax-1re 8221 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-mulrcl 8226 ax-addcom 8227 ax-mulcom 8228 ax-addass 8229 ax-mulass 8230 ax-distr 8231 ax-i2m1 8232 ax-0lt1 8233 ax-1rid 8234 ax-0id 8235 ax-rnegex 8236 ax-precex 8237 ax-cnre 8238 ax-pre-ltirr 8239 ax-pre-ltwlin 8240 ax-pre-lttrn 8241 ax-pre-apti 8242 ax-pre-ltadd 8243 ax-pre-mulgt0 8244 ax-pre-mulext 8245 ax-arch 8246 ax-caucvg 8247 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rmo 2528 df-rab 2529 df-v 2815 df-sbc 3043 df-csb 3139 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-nul 3509 df-if 3621 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-iun 3993 df-br 4110 df-opab 4172 df-mpt 4173 df-tr 4209 df-id 4414 df-po 4417 df-iso 4418 df-iord 4487 df-on 4489 df-ilim 4490 df-suc 4492 df-iom 4713 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-iota 5312 df-fun 5354 df-fn 5355 df-f 5356 df-f1 5357 df-fo 5358 df-f1o 5359 df-fv 5360 df-isom 5361 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-1st 6334 df-2nd 6335 df-recs 6536 df-frec 6622 df-sup 7275 df-inf 7276 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 df-sub 8446 df-neg 8447 df-reap 8849 df-ap 8856 df-div 8947 df-inn 9238 df-2 9296 df-3 9297 df-4 9298 df-n0 9497 df-z 9578 df-uz 9854 df-rp 9987 df-xneg 10105 df-ioo 10225 df-seqfrec 10810 df-exp 10901 df-cj 11527 df-re 11528 df-im 11529 df-rsqrt 11683 df-abs 11684 df-bases 14908 |
| This theorem is referenced by: qtopbas 15387 retopbas 15388 |
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