Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > rrhf | Structured version Visualization version GIF version |
Description: If the topology of 𝑅 is Hausdorff, Cauchy sequences have at most one limit, i.e. the canonical homomorphism of ℝ into 𝑅 is a function. (Contributed by Thierry Arnoux, 2-Nov-2017.) |
Ref | Expression |
---|---|
rrhf.d | ⊢ 𝐷 = ((dist‘𝑅) ↾ (𝐵 × 𝐵)) |
rrhf.j | ⊢ 𝐽 = (topGen‘ran (,)) |
rrhf.b | ⊢ 𝐵 = (Base‘𝑅) |
rrhf.k | ⊢ 𝐾 = (TopOpen‘𝑅) |
rrhf.z | ⊢ 𝑍 = (ℤMod‘𝑅) |
rrhf.1 | ⊢ (𝜑 → 𝑅 ∈ DivRing) |
rrhf.2 | ⊢ (𝜑 → 𝑅 ∈ NrmRing) |
rrhf.3 | ⊢ (𝜑 → 𝑍 ∈ NrmMod) |
rrhf.4 | ⊢ (𝜑 → (chr‘𝑅) = 0) |
rrhf.5 | ⊢ (𝜑 → 𝑅 ∈ CUnifSp) |
rrhf.6 | ⊢ (𝜑 → (UnifSt‘𝑅) = (metUnif‘𝐷)) |
Ref | Expression |
---|---|
rrhf | ⊢ (𝜑 → (ℝHom‘𝑅):ℝ⟶𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rrhf.d | . . . 4 ⊢ 𝐷 = ((dist‘𝑅) ↾ (𝐵 × 𝐵)) | |
2 | eqid 2610 | . . . 4 ⊢ (topGen‘ran (,)) = (topGen‘ran (,)) | |
3 | rrhf.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
4 | rrhf.k | . . . 4 ⊢ 𝐾 = (TopOpen‘𝑅) | |
5 | rrhf.z | . . . 4 ⊢ 𝑍 = (ℤMod‘𝑅) | |
6 | rrhf.1 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ DivRing) | |
7 | rrhf.2 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ NrmRing) | |
8 | rrhf.3 | . . . 4 ⊢ (𝜑 → 𝑍 ∈ NrmMod) | |
9 | rrhf.4 | . . . 4 ⊢ (𝜑 → (chr‘𝑅) = 0) | |
10 | rrhf.5 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ CUnifSp) | |
11 | rrhf.6 | . . . 4 ⊢ (𝜑 → (UnifSt‘𝑅) = (metUnif‘𝐷)) | |
12 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 | rrhcn 29369 | . . 3 ⊢ (𝜑 → (ℝHom‘𝑅) ∈ ((topGen‘ran (,)) Cn 𝐾)) |
13 | uniretop 22376 | . . . 4 ⊢ ℝ = ∪ (topGen‘ran (,)) | |
14 | eqid 2610 | . . . 4 ⊢ ∪ 𝐾 = ∪ 𝐾 | |
15 | 13, 14 | cnf 20860 | . . 3 ⊢ ((ℝHom‘𝑅) ∈ ((topGen‘ran (,)) Cn 𝐾) → (ℝHom‘𝑅):ℝ⟶∪ 𝐾) |
16 | 12, 15 | syl 17 | . 2 ⊢ (𝜑 → (ℝHom‘𝑅):ℝ⟶∪ 𝐾) |
17 | nrgngp 22276 | . . . . 5 ⊢ (𝑅 ∈ NrmRing → 𝑅 ∈ NrmGrp) | |
18 | ngpxms 22215 | . . . . 5 ⊢ (𝑅 ∈ NrmGrp → 𝑅 ∈ ∞MetSp) | |
19 | 7, 17, 18 | 3syl 18 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ ∞MetSp) |
20 | xmstps 22068 | . . . 4 ⊢ (𝑅 ∈ ∞MetSp → 𝑅 ∈ TopSp) | |
21 | 3, 4 | tpsuni 20553 | . . . 4 ⊢ (𝑅 ∈ TopSp → 𝐵 = ∪ 𝐾) |
22 | 19, 20, 21 | 3syl 18 | . . 3 ⊢ (𝜑 → 𝐵 = ∪ 𝐾) |
23 | 22 | feq3d 5945 | . 2 ⊢ (𝜑 → ((ℝHom‘𝑅):ℝ⟶𝐵 ↔ (ℝHom‘𝑅):ℝ⟶∪ 𝐾)) |
24 | 16, 23 | mpbird 246 | 1 ⊢ (𝜑 → (ℝHom‘𝑅):ℝ⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 ∪ cuni 4372 × cxp 5036 ran crn 5039 ↾ cres 5040 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ℝcr 9814 0cc0 9815 (,)cioo 12046 Basecbs 15695 distcds 15777 TopOpenctopn 15905 topGenctg 15921 DivRingcdr 18570 metUnifcmetu 19558 ℤModczlm 19668 chrcchr 19669 TopSpctps 20519 Cn ccn 20838 UnifStcuss 21867 CUnifSpccusp 21911 ∞MetSpcxme 21932 NrmGrpcngp 22192 NrmRingcnrg 22194 NrmModcnlm 22195 ℝHomcrrh 29365 |
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-tpos 7239 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-pm 7747 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-fl 12455 df-mod 12531 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-dvds 14822 df-gcd 15055 df-numer 15281 df-denom 15282 df-gz 15472 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-mhm 17158 df-submnd 17159 df-grp 17248 df-minusg 17249 df-sbg 17250 df-mulg 17364 df-subg 17414 df-ghm 17481 df-cntz 17573 df-od 17771 df-cmn 18018 df-abl 18019 df-mgp 18313 df-ur 18325 df-ring 18372 df-cring 18373 df-oppr 18446 df-dvdsr 18464 df-unit 18465 df-invr 18495 df-dvr 18506 df-rnghom 18538 df-drng 18572 df-subrg 18601 df-abv 18640 df-lmod 18688 df-nzr 19079 df-psmet 19559 df-xmet 19560 df-met 19561 df-bl 19562 df-mopn 19563 df-fbas 19564 df-fg 19565 df-metu 19566 df-cnfld 19568 df-zring 19638 df-zrh 19671 df-zlm 19672 df-chr 19673 df-refld 19770 df-top 20521 df-bases 20522 df-topon 20523 df-topsp 20524 df-cld 20633 df-ntr 20634 df-cls 20635 df-nei 20712 df-cn 20841 df-cnp 20842 df-haus 20929 df-reg 20930 df-cmp 21000 df-tx 21175 df-hmeo 21368 df-fil 21460 df-fm 21552 df-flim 21553 df-flf 21554 df-fcls 21555 df-cnext 21674 df-ust 21814 df-utop 21845 df-uss 21870 df-usp 21871 df-ucn 21890 df-cfilu 21901 df-cusp 21912 df-xms 21935 df-ms 21936 df-tms 21937 df-nm 22197 df-ngp 22198 df-nrg 22200 df-nlm 22201 df-cncf 22489 df-cfil 22861 df-cmet 22863 df-cms 22940 df-qqh 29345 df-rrh 29367 |
This theorem is referenced by: rrhfe 29384 sitgclg 29731 |
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