Mathbox for Mario Carneiro |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > rellyscon | Structured version Visualization version GIF version |
Description: The real numbers are locally simply connected. (Contributed by Mario Carneiro, 10-Mar-2015.) |
Ref | Expression |
---|---|
rellyscon | ⊢ (topGen‘ran (,)) ∈ Locally SCon |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | retop 22375 | . 2 ⊢ (topGen‘ran (,)) ∈ Top | |
2 | tg2 20580 | . . . 4 ⊢ ((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) → ∃𝑧 ∈ ran (,)(𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥)) | |
3 | retopbas 22374 | . . . . . . . . . 10 ⊢ ran (,) ∈ TopBases | |
4 | bastg 20581 | . . . . . . . . . 10 ⊢ (ran (,) ∈ TopBases → ran (,) ⊆ (topGen‘ran (,))) | |
5 | 3, 4 | ax-mp 5 | . . . . . . . . 9 ⊢ ran (,) ⊆ (topGen‘ran (,)) |
6 | simprl 790 | . . . . . . . . 9 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑧 ∈ ran (,)) | |
7 | 5, 6 | sseldi 3566 | . . . . . . . 8 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑧 ∈ (topGen‘ran (,))) |
8 | simprrr 801 | . . . . . . . . 9 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑧 ⊆ 𝑥) | |
9 | selpw 4115 | . . . . . . . . 9 ⊢ (𝑧 ∈ 𝒫 𝑥 ↔ 𝑧 ⊆ 𝑥) | |
10 | 8, 9 | sylibr 223 | . . . . . . . 8 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑧 ∈ 𝒫 𝑥) |
11 | 7, 10 | elind 3760 | . . . . . . 7 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥)) |
12 | simprrl 800 | . . . . . . 7 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → 𝑦 ∈ 𝑧) | |
13 | ioof 12142 | . . . . . . . . . 10 ⊢ (,):(ℝ* × ℝ*)⟶𝒫 ℝ | |
14 | ffn 5958 | . . . . . . . . . 10 ⊢ ((,):(ℝ* × ℝ*)⟶𝒫 ℝ → (,) Fn (ℝ* × ℝ*)) | |
15 | ovelrn 6708 | . . . . . . . . . 10 ⊢ ((,) Fn (ℝ* × ℝ*) → (𝑧 ∈ ran (,) ↔ ∃𝑎 ∈ ℝ* ∃𝑏 ∈ ℝ* 𝑧 = (𝑎(,)𝑏))) | |
16 | 13, 14, 15 | mp2b 10 | . . . . . . . . 9 ⊢ (𝑧 ∈ ran (,) ↔ ∃𝑎 ∈ ℝ* ∃𝑏 ∈ ℝ* 𝑧 = (𝑎(,)𝑏)) |
17 | oveq2 6557 | . . . . . . . . . . . 12 ⊢ (𝑧 = (𝑎(,)𝑏) → ((topGen‘ran (,)) ↾t 𝑧) = ((topGen‘ran (,)) ↾t (𝑎(,)𝑏))) | |
18 | iooscon 30483 | . . . . . . . . . . . 12 ⊢ ((topGen‘ran (,)) ↾t (𝑎(,)𝑏)) ∈ SCon | |
19 | 17, 18 | syl6eqel 2696 | . . . . . . . . . . 11 ⊢ (𝑧 = (𝑎(,)𝑏) → ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
20 | 19 | rexlimivw 3011 | . . . . . . . . . 10 ⊢ (∃𝑏 ∈ ℝ* 𝑧 = (𝑎(,)𝑏) → ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
21 | 20 | rexlimivw 3011 | . . . . . . . . 9 ⊢ (∃𝑎 ∈ ℝ* ∃𝑏 ∈ ℝ* 𝑧 = (𝑎(,)𝑏) → ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
22 | 16, 21 | sylbi 206 | . . . . . . . 8 ⊢ (𝑧 ∈ ran (,) → ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
23 | 22 | ad2antrl 760 | . . . . . . 7 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
24 | 11, 12, 23 | jca32 556 | . . . . . 6 ⊢ (((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) ∧ (𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥))) → (𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥) ∧ (𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon))) |
25 | 24 | ex 449 | . . . . 5 ⊢ ((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) → ((𝑧 ∈ ran (,) ∧ (𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥)) → (𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥) ∧ (𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon)))) |
26 | 25 | reximdv2 2997 | . . . 4 ⊢ ((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) → (∃𝑧 ∈ ran (,)(𝑦 ∈ 𝑧 ∧ 𝑧 ⊆ 𝑥) → ∃𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥)(𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon))) |
27 | 2, 26 | mpd 15 | . . 3 ⊢ ((𝑥 ∈ (topGen‘ran (,)) ∧ 𝑦 ∈ 𝑥) → ∃𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥)(𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon)) |
28 | 27 | rgen2 2958 | . 2 ⊢ ∀𝑥 ∈ (topGen‘ran (,))∀𝑦 ∈ 𝑥 ∃𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥)(𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon) |
29 | islly 21081 | . 2 ⊢ ((topGen‘ran (,)) ∈ Locally SCon ↔ ((topGen‘ran (,)) ∈ Top ∧ ∀𝑥 ∈ (topGen‘ran (,))∀𝑦 ∈ 𝑥 ∃𝑧 ∈ ((topGen‘ran (,)) ∩ 𝒫 𝑥)(𝑦 ∈ 𝑧 ∧ ((topGen‘ran (,)) ↾t 𝑧) ∈ SCon))) | |
30 | 1, 28, 29 | mpbir2an 957 | 1 ⊢ (topGen‘ran (,)) ∈ Locally SCon |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 ∃wrex 2897 ∩ cin 3539 ⊆ wss 3540 𝒫 cpw 4108 × cxp 5036 ran crn 5039 Fn wfn 5799 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ℝcr 9814 ℝ*cxr 9952 (,)cioo 12046 ↾t crest 15904 topGenctg 15921 Topctop 20517 TopBasesctb 20520 Locally clly 21077 SConcscon 30456 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 ax-addf 9894 ax-mulf 9895 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-iin 4458 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-of 6795 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-2o 7448 df-oadd 7451 df-er 7629 df-map 7746 df-ixp 7795 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-fsupp 8159 df-fi 8200 df-sup 8231 df-inf 8232 df-oi 8298 df-card 8648 df-cda 8873 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-5 10959 df-6 10960 df-7 10961 df-8 10962 df-9 10963 df-n0 11170 df-z 11255 df-dec 11370 df-uz 11564 df-q 11665 df-rp 11709 df-xneg 11822 df-xadd 11823 df-xmul 11824 df-ioo 12050 df-ico 12052 df-icc 12053 df-fz 12198 df-fzo 12335 df-seq 12664 df-exp 12723 df-hash 12980 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-struct 15697 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-mulr 15782 df-starv 15783 df-sca 15784 df-vsca 15785 df-ip 15786 df-tset 15787 df-ple 15788 df-ds 15791 df-unif 15792 df-hom 15793 df-cco 15794 df-rest 15906 df-topn 15907 df-0g 15925 df-gsum 15926 df-topgen 15927 df-pt 15928 df-prds 15931 df-xrs 15985 df-qtop 15990 df-imas 15991 df-xps 15993 df-mre 16069 df-mrc 16070 df-acs 16072 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-submnd 17159 df-mulg 17364 df-cntz 17573 df-cmn 18018 df-psmet 19559 df-xmet 19560 df-met 19561 df-bl 19562 df-mopn 19563 df-cnfld 19568 df-top 20521 df-bases 20522 df-topon 20523 df-topsp 20524 df-cld 20633 df-cn 20841 df-cnp 20842 df-con 21025 df-lly 21079 df-tx 21175 df-hmeo 21368 df-xms 21935 df-ms 21936 df-tms 21937 df-ii 22488 df-htpy 22577 df-phtpy 22578 df-phtpc 22599 df-pcon 30457 df-scon 30458 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |