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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 | inf |
Ref | Expression |
---|---|
qtopbasss |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iooex 9878 | . . 3 | |
2 | 1 | imaex 4976 | . 2 |
3 | qtopbas.1 | . . . . . . . . 9 | |
4 | 3 | sseli 3149 | . . . . . . . 8 |
5 | 3 | sseli 3149 | . . . . . . . 8 |
6 | 4, 5 | anim12i 338 | . . . . . . 7 |
7 | 3 | sseli 3149 | . . . . . . . 8 |
8 | 3 | sseli 3149 | . . . . . . . 8 |
9 | 7, 8 | anim12i 338 | . . . . . . 7 |
10 | iooinsup 11253 | . . . . . . 7 inf | |
11 | 6, 9, 10 | syl2an 289 | . . . . . 6 inf |
12 | qtopbas.max | . . . . . . . . . . 11 | |
13 | 12 | rgen2a 2529 | . . . . . . . . . 10 |
14 | preq12 3668 | . . . . . . . . . . . . . 14 | |
15 | prcom 3665 | . . . . . . . . . . . . . 14 | |
16 | 14, 15 | eqtrdi 2224 | . . . . . . . . . . . . 13 |
17 | 16 | supeq1d 6976 | . . . . . . . . . . . 12 |
18 | 17 | eleq1d 2244 | . . . . . . . . . . 11 |
19 | 18 | rspc2gv 2851 | . . . . . . . . . 10 |
20 | 13, 19 | mpi 15 | . . . . . . . . 9 |
21 | 20 | ancoms 268 | . . . . . . . 8 |
22 | qtopbas.min | . . . . . . . . . 10 inf | |
23 | 22 | rgen2a 2529 | . . . . . . . . 9 inf |
24 | preq12 3668 | . . . . . . . . . . . 12 | |
25 | 24 | infeq1d 7001 | . . . . . . . . . . 11 inf inf |
26 | 25 | eleq1d 2244 | . . . . . . . . . 10 inf inf |
27 | 26 | rspc2gv 2851 | . . . . . . . . 9 inf inf |
28 | 23, 27 | mpi 15 | . . . . . . . 8 inf |
29 | df-ov 5868 | . . . . . . . . 9 inf inf | |
30 | opelxpi 4652 | . . . . . . . . . 10 inf inf | |
31 | ioof 9942 | . . . . . . . . . . . 12 | |
32 | ffun 5360 | . . . . . . . . . . . 12 | |
33 | 31, 32 | ax-mp 5 | . . . . . . . . . . 11 |
34 | xpss12 4727 | . . . . . . . . . . . . 13 | |
35 | 3, 3, 34 | mp2an 426 | . . . . . . . . . . . 12 |
36 | 31 | fdmi 5365 | . . . . . . . . . . . 12 |
37 | 35, 36 | sseqtrri 3188 | . . . . . . . . . . 11 |
38 | funfvima2 5740 | . . . . . . . . . . 11 inf inf | |
39 | 33, 37, 38 | mp2an 426 | . . . . . . . . . 10 inf inf |
40 | 30, 39 | syl 14 | . . . . . . . . 9 inf inf |
41 | 29, 40 | eqeltrid 2262 | . . . . . . . 8 inf inf |
42 | 21, 28, 41 | syl2an 289 | . . . . . . 7 inf |
43 | 42 | an4s 588 | . . . . . 6 inf |
44 | 11, 43 | eqeltrd 2252 | . . . . 5 |
45 | 44 | ralrimivva 2557 | . . . 4 |
46 | 45 | rgen2a 2529 | . . 3 |
47 | ffn 5357 | . . . . . 6 | |
48 | 31, 47 | ax-mp 5 | . . . . 5 |
49 | ineq1 3327 | . . . . . . . 8 | |
50 | 49 | eleq1d 2244 | . . . . . . 7 |
51 | 50 | ralbidv 2475 | . . . . . 6 |
52 | 51 | ralima 5747 | . . . . 5 |
53 | 48, 35, 52 | mp2an 426 | . . . 4 |
54 | fveq2 5507 | . . . . . . . . . 10 | |
55 | df-ov 5868 | . . . . . . . . . 10 | |
56 | 54, 55 | eqtr4di 2226 | . . . . . . . . 9 |
57 | 56 | ineq1d 3333 | . . . . . . . 8 |
58 | 57 | eleq1d 2244 | . . . . . . 7 |
59 | 58 | ralbidv 2475 | . . . . . 6 |
60 | ineq2 3328 | . . . . . . . . . 10 | |
61 | 60 | eleq1d 2244 | . . . . . . . . 9 |
62 | 61 | ralima 5747 | . . . . . . . 8 |
63 | 48, 35, 62 | mp2an 426 | . . . . . . 7 |
64 | fveq2 5507 | . . . . . . . . . . 11 | |
65 | df-ov 5868 | . . . . . . . . . . 11 | |
66 | 64, 65 | eqtr4di 2226 | . . . . . . . . . 10 |
67 | 66 | ineq2d 3334 | . . . . . . . . 9 |
68 | 67 | eleq1d 2244 | . . . . . . . 8 |
69 | 68 | ralxp 4763 | . . . . . . 7 |
70 | 63, 69 | bitri 184 | . . . . . 6 |
71 | 59, 70 | bitrdi 196 | . . . . 5 |
72 | 71 | ralxp 4763 | . . . 4 |
73 | 53, 72 | bitri 184 | . . 3 |
74 | 46, 73 | mpbir 146 | . 2 |
75 | fiinbas 13127 | . 2 | |
76 | 2, 74, 75 | mp2an 426 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 104 wb 105 wceq 1353 wcel 2146 wral 2453 cvv 2735 cin 3126 wss 3127 cpw 3572 cpr 3590 cop 3592 cxp 4618 cdm 4620 cima 4623 wfun 5202 wfn 5203 wf 5204 cfv 5208 (class class class)co 5865 csup 6971 infcinf 6972 cr 7785 cxr 7965 clt 7966 cioo 9859 ctb 13120 |
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 614 ax-in2 615 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-13 2148 ax-14 2149 ax-ext 2157 ax-coll 4113 ax-sep 4116 ax-nul 4124 ax-pow 4169 ax-pr 4203 ax-un 4427 ax-setind 4530 ax-iinf 4581 ax-cnex 7877 ax-resscn 7878 ax-1cn 7879 ax-1re 7880 ax-icn 7881 ax-addcl 7882 ax-addrcl 7883 ax-mulcl 7884 ax-mulrcl 7885 ax-addcom 7886 ax-mulcom 7887 ax-addass 7888 ax-mulass 7889 ax-distr 7890 ax-i2m1 7891 ax-0lt1 7892 ax-1rid 7893 ax-0id 7894 ax-rnegex 7895 ax-precex 7896 ax-cnre 7897 ax-pre-ltirr 7898 ax-pre-ltwlin 7899 ax-pre-lttrn 7900 ax-pre-apti 7901 ax-pre-ltadd 7902 ax-pre-mulgt0 7903 ax-pre-mulext 7904 ax-arch 7905 ax-caucvg 7906 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ne 2346 df-nel 2441 df-ral 2458 df-rex 2459 df-reu 2460 df-rmo 2461 df-rab 2462 df-v 2737 df-sbc 2961 df-csb 3056 df-dif 3129 df-un 3131 df-in 3133 df-ss 3140 df-nul 3421 df-if 3533 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-int 3841 df-iun 3884 df-br 3999 df-opab 4060 df-mpt 4061 df-tr 4097 df-id 4287 df-po 4290 df-iso 4291 df-iord 4360 df-on 4362 df-ilim 4363 df-suc 4365 df-iom 4584 df-xp 4626 df-rel 4627 df-cnv 4628 df-co 4629 df-dm 4630 df-rn 4631 df-res 4632 df-ima 4633 df-iota 5170 df-fun 5210 df-fn 5211 df-f 5212 df-f1 5213 df-fo 5214 df-f1o 5215 df-fv 5216 df-isom 5217 df-riota 5821 df-ov 5868 df-oprab 5869 df-mpo 5870 df-1st 6131 df-2nd 6132 df-recs 6296 df-frec 6382 df-sup 6973 df-inf 6974 df-pnf 7968 df-mnf 7969 df-xr 7970 df-ltxr 7971 df-le 7972 df-sub 8104 df-neg 8105 df-reap 8506 df-ap 8513 df-div 8603 df-inn 8893 df-2 8951 df-3 8952 df-4 8953 df-n0 9150 df-z 9227 df-uz 9502 df-rp 9625 df-xneg 9743 df-ioo 9863 df-seqfrec 10416 df-exp 10490 df-cj 10819 df-re 10820 df-im 10821 df-rsqrt 10975 df-abs 10976 df-bases 13121 |
This theorem is referenced by: qtopbas 13602 retopbas 13603 |
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