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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 10141 |
. . 3
| |
| 2 | 1 | imaex 5091 |
. 2
|
| 3 | qtopbas.1 |
. . . . . . . . 9
| |
| 4 | 3 | sseli 3223 |
. . . . . . . 8
|
| 5 | 3 | sseli 3223 |
. . . . . . . 8
|
| 6 | 4, 5 | anim12i 338 |
. . . . . . 7
|
| 7 | 3 | sseli 3223 |
. . . . . . . 8
|
| 8 | 3 | sseli 3223 |
. . . . . . . 8
|
| 9 | 7, 8 | anim12i 338 |
. . . . . . 7
|
| 10 | iooinsup 11837 |
. . . . . . 7
| |
| 11 | 6, 9, 10 | syl2an 289 |
. . . . . 6
|
| 12 | qtopbas.max |
. . . . . . . . . . 11
| |
| 13 | 12 | rgen2a 2586 |
. . . . . . . . . 10
|
| 14 | preq12 3750 |
. . . . . . . . . . . . . 14
| |
| 15 | prcom 3747 |
. . . . . . . . . . . . . 14
| |
| 16 | 14, 15 | eqtrdi 2280 |
. . . . . . . . . . . . 13
|
| 17 | 16 | supeq1d 7185 |
. . . . . . . . . . . 12
|
| 18 | 17 | eleq1d 2300 |
. . . . . . . . . . 11
|
| 19 | 18 | rspc2gv 2922 |
. . . . . . . . . 10
|
| 20 | 13, 19 | mpi 15 |
. . . . . . . . 9
|
| 21 | 20 | ancoms 268 |
. . . . . . . 8
|
| 22 | qtopbas.min |
. . . . . . . . . 10
| |
| 23 | 22 | rgen2a 2586 |
. . . . . . . . 9
|
| 24 | preq12 3750 |
. . . . . . . . . . . 12
| |
| 25 | 24 | infeq1d 7210 |
. . . . . . . . . . 11
|
| 26 | 25 | eleq1d 2300 |
. . . . . . . . . 10
|
| 27 | 26 | rspc2gv 2922 |
. . . . . . . . 9
|
| 28 | 23, 27 | mpi 15 |
. . . . . . . 8
|
| 29 | df-ov 6020 |
. . . . . . . . 9
| |
| 30 | opelxpi 4757 |
. . . . . . . . . 10
| |
| 31 | ioof 10205 |
. . . . . . . . . . . 12
| |
| 32 | ffun 5485 |
. . . . . . . . . . . 12
| |
| 33 | 31, 32 | ax-mp 5 |
. . . . . . . . . . 11
|
| 34 | xpss12 4833 |
. . . . . . . . . . . . 13
| |
| 35 | 3, 3, 34 | mp2an 426 |
. . . . . . . . . . . 12
|
| 36 | 31 | fdmi 5490 |
. . . . . . . . . . . 12
|
| 37 | 35, 36 | sseqtrri 3262 |
. . . . . . . . . . 11
|
| 38 | funfvima2 5886 |
. . . . . . . . . . 11
| |
| 39 | 33, 37, 38 | mp2an 426 |
. . . . . . . . . 10
|
| 40 | 30, 39 | syl 14 |
. . . . . . . . 9
|
| 41 | 29, 40 | eqeltrid 2318 |
. . . . . . . 8
|
| 42 | 21, 28, 41 | syl2an 289 |
. . . . . . 7
|
| 43 | 42 | an4s 592 |
. . . . . 6
|
| 44 | 11, 43 | eqeltrd 2308 |
. . . . 5
|
| 45 | 44 | ralrimivva 2614 |
. . . 4
|
| 46 | 45 | rgen2a 2586 |
. . 3
|
| 47 | ffn 5482 |
. . . . . 6
| |
| 48 | 31, 47 | ax-mp 5 |
. . . . 5
|
| 49 | ineq1 3401 |
. . . . . . . 8
| |
| 50 | 49 | eleq1d 2300 |
. . . . . . 7
|
| 51 | 50 | ralbidv 2532 |
. . . . . 6
|
| 52 | 51 | ralima 5895 |
. . . . 5
|
| 53 | 48, 35, 52 | mp2an 426 |
. . . 4
|
| 54 | fveq2 5639 |
. . . . . . . . . 10
| |
| 55 | df-ov 6020 |
. . . . . . . . . 10
| |
| 56 | 54, 55 | eqtr4di 2282 |
. . . . . . . . 9
|
| 57 | 56 | ineq1d 3407 |
. . . . . . . 8
|
| 58 | 57 | eleq1d 2300 |
. . . . . . 7
|
| 59 | 58 | ralbidv 2532 |
. . . . . 6
|
| 60 | ineq2 3402 |
. . . . . . . . . 10
| |
| 61 | 60 | eleq1d 2300 |
. . . . . . . . 9
|
| 62 | 61 | ralima 5895 |
. . . . . . . 8
|
| 63 | 48, 35, 62 | mp2an 426 |
. . . . . . 7
|
| 64 | fveq2 5639 |
. . . . . . . . . . 11
| |
| 65 | df-ov 6020 |
. . . . . . . . . . 11
| |
| 66 | 64, 65 | eqtr4di 2282 |
. . . . . . . . . 10
|
| 67 | 66 | ineq2d 3408 |
. . . . . . . . 9
|
| 68 | 67 | eleq1d 2300 |
. . . . . . . 8
|
| 69 | 68 | ralxp 4873 |
. . . . . . 7
|
| 70 | 63, 69 | bitri 184 |
. . . . . 6
|
| 71 | 59, 70 | bitrdi 196 |
. . . . 5
|
| 72 | 71 | ralxp 4873 |
. . . 4
|
| 73 | 53, 72 | bitri 184 |
. . 3
|
| 74 | 46, 73 | mpbir 146 |
. 2
|
| 75 | fiinbas 14772 |
. 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-mulrcl 8130 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-0lt1 8137 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-precex 8141 ax-cnre 8142 ax-pre-ltirr 8143 ax-pre-ltwlin 8144 ax-pre-lttrn 8145 ax-pre-apti 8146 ax-pre-ltadd 8147 ax-pre-mulgt0 8148 ax-pre-mulext 8149 ax-arch 8150 ax-caucvg 8151 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-po 4393 df-iso 4394 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-isom 5335 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-1st 6302 df-2nd 6303 df-recs 6470 df-frec 6556 df-sup 7182 df-inf 7183 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-sub 8351 df-neg 8352 df-reap 8754 df-ap 8761 df-div 8852 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-n0 9402 df-z 9479 df-uz 9755 df-rp 9888 df-xneg 10006 df-ioo 10126 df-seqfrec 10709 df-exp 10800 df-cj 11402 df-re 11403 df-im 11404 df-rsqrt 11558 df-abs 11559 df-bases 14766 |
| This theorem is referenced by: qtopbas 15245 retopbas 15246 |
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