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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 2735 | . . . 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 33960 | . . 3 ⊢ (𝜑 → (ℝHom‘𝑅) ∈ ((topGen‘ran (,)) Cn 𝐾)) |
13 | uniretop 24799 | . . . 4 ⊢ ℝ = ∪ (topGen‘ran (,)) | |
14 | eqid 2735 | . . . 4 ⊢ ∪ 𝐾 = ∪ 𝐾 | |
15 | 13, 14 | cnf 23270 | . . 3 ⊢ ((ℝHom‘𝑅) ∈ ((topGen‘ran (,)) Cn 𝐾) → (ℝHom‘𝑅):ℝ⟶∪ 𝐾) |
16 | 12, 15 | syl 17 | . 2 ⊢ (𝜑 → (ℝHom‘𝑅):ℝ⟶∪ 𝐾) |
17 | nrgngp 24699 | . . . . 5 ⊢ (𝑅 ∈ NrmRing → 𝑅 ∈ NrmGrp) | |
18 | ngpxms 24630 | . . . . 5 ⊢ (𝑅 ∈ NrmGrp → 𝑅 ∈ ∞MetSp) | |
19 | 7, 17, 18 | 3syl 18 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ ∞MetSp) |
20 | xmstps 24479 | . . . 4 ⊢ (𝑅 ∈ ∞MetSp → 𝑅 ∈ TopSp) | |
21 | 3, 4 | tpsuni 22958 | . . . 4 ⊢ (𝑅 ∈ TopSp → 𝐵 = ∪ 𝐾) |
22 | 19, 20, 21 | 3syl 18 | . . 3 ⊢ (𝜑 → 𝐵 = ∪ 𝐾) |
23 | 22 | feq3d 6724 | . 2 ⊢ (𝜑 → ((ℝHom‘𝑅):ℝ⟶𝐵 ↔ (ℝHom‘𝑅):ℝ⟶∪ 𝐾)) |
24 | 16, 23 | mpbird 257 | 1 ⊢ (𝜑 → (ℝHom‘𝑅):ℝ⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2106 ∪ cuni 4912 × cxp 5687 ran crn 5690 ↾ cres 5691 ⟶wf 6559 ‘cfv 6563 (class class class)co 7431 ℝcr 11152 0cc0 11153 (,)cioo 13384 Basecbs 17245 distcds 17307 TopOpenctopn 17468 topGenctg 17484 DivRingcdr 20746 metUnifcmetu 21373 ℤModczlm 21529 chrcchr 21530 TopSpctps 22954 Cn ccn 23248 UnifStcuss 24278 CUnifSpccusp 24322 ∞MetSpcxms 24343 NrmGrpcngp 24606 NrmRingcnrg 24608 NrmModcnlm 24609 ℝHomcrrh 33956 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-rep 5285 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 ax-pre-mulgt0 11230 ax-pre-sup 11231 ax-addf 11232 ax-mulf 11233 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3378 df-reu 3379 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-tp 4636 df-op 4638 df-uni 4913 df-int 4952 df-iun 4998 df-iin 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-se 5642 df-we 5643 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-isom 6572 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-om 7888 df-1st 8013 df-2nd 8014 df-supp 8185 df-tpos 8250 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 df-1o 8505 df-2o 8506 df-er 8744 df-map 8867 df-pm 8868 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fsupp 9400 df-fi 9449 df-sup 9480 df-inf 9481 df-oi 9548 df-card 9977 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-sub 11492 df-neg 11493 df-div 11919 df-nn 12265 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12525 df-z 12612 df-dec 12732 df-uz 12877 df-q 12989 df-rp 13033 df-xneg 13152 df-xadd 13153 df-xmul 13154 df-ioo 13388 df-ico 13390 df-icc 13391 df-fz 13545 df-fzo 13692 df-fl 13829 df-mod 13907 df-seq 14040 df-exp 14100 df-hash 14367 df-cj 15135 df-re 15136 df-im 15137 df-sqrt 15271 df-abs 15272 df-dvds 16288 df-gcd 16529 df-numer 16769 df-denom 16770 df-gz 16964 df-struct 17181 df-sets 17198 df-slot 17216 df-ndx 17228 df-base 17246 df-ress 17275 df-plusg 17311 df-mulr 17312 df-starv 17313 df-sca 17314 df-vsca 17315 df-ip 17316 df-tset 17317 df-ple 17318 df-ds 17320 df-unif 17321 df-hom 17322 df-cco 17323 df-rest 17469 df-topn 17470 df-0g 17488 df-gsum 17489 df-topgen 17490 df-pt 17491 df-prds 17494 df-xrs 17549 df-qtop 17554 df-imas 17555 df-xps 17557 df-mre 17631 df-mrc 17632 df-acs 17634 df-mgm 18666 df-sgrp 18745 df-mnd 18761 df-mhm 18809 df-submnd 18810 df-grp 18967 df-minusg 18968 df-sbg 18969 df-mulg 19099 df-subg 19154 df-ghm 19244 df-cntz 19348 df-od 19561 df-cmn 19815 df-abl 19816 df-mgp 20153 df-rng 20171 df-ur 20200 df-ring 20253 df-cring 20254 df-oppr 20351 df-dvdsr 20374 df-unit 20375 df-invr 20405 df-dvr 20418 df-rhm 20489 df-nzr 20530 df-subrng 20563 df-subrg 20587 df-drng 20748 df-abv 20827 df-lmod 20877 df-psmet 21374 df-xmet 21375 df-met 21376 df-bl 21377 df-mopn 21378 df-fbas 21379 df-fg 21380 df-metu 21381 df-cnfld 21383 df-zring 21476 df-zrh 21532 df-zlm 21533 df-chr 21534 df-refld 21641 df-top 22916 df-topon 22933 df-topsp 22955 df-bases 22969 df-cld 23043 df-ntr 23044 df-cls 23045 df-nei 23122 df-cn 23251 df-cnp 23252 df-haus 23339 df-reg 23340 df-cmp 23411 df-tx 23586 df-hmeo 23779 df-fil 23870 df-fm 23962 df-flim 23963 df-flf 23964 df-fcls 23965 df-cnext 24084 df-ust 24225 df-utop 24256 df-uss 24281 df-usp 24282 df-ucn 24301 df-cfilu 24312 df-cusp 24323 df-xms 24346 df-ms 24347 df-tms 24348 df-nm 24611 df-ngp 24612 df-nrg 24614 df-nlm 24615 df-cncf 24918 df-cfil 25303 df-cmet 25305 df-cms 25383 df-qqh 33934 df-rrh 33958 |
This theorem is referenced by: rrhfe 33975 sitgclg 34324 |
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