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Mirrors > Home > MPE Home > Th. List > iihalf1cn | Structured version Visualization version GIF version |
Description: The first half function is a continuous map. (Contributed by Mario Carneiro, 6-Jun-2014.) |
Ref | Expression |
---|---|
iihalf1cn.1 | ⊢ 𝐽 = ((topGen‘ran (,)) ↾t (0[,](1 / 2))) |
Ref | Expression |
---|---|
iihalf1cn | ⊢ (𝑥 ∈ (0[,](1 / 2)) ↦ (2 · 𝑥)) ∈ (𝐽 Cn II) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2736 | . . 3 ⊢ (TopOpen‘ℂfld) = (TopOpen‘ℂfld) | |
2 | iihalf1cn.1 | . . 3 ⊢ 𝐽 = ((topGen‘ran (,)) ↾t (0[,](1 / 2))) | |
3 | dfii2 24243 | . . 3 ⊢ II = ((topGen‘ran (,)) ↾t (0[,]1)) | |
4 | 0re 11156 | . . . . 5 ⊢ 0 ∈ ℝ | |
5 | halfre 12366 | . . . . 5 ⊢ (1 / 2) ∈ ℝ | |
6 | iccssre 13345 | . . . . 5 ⊢ ((0 ∈ ℝ ∧ (1 / 2) ∈ ℝ) → (0[,](1 / 2)) ⊆ ℝ) | |
7 | 4, 5, 6 | mp2an 690 | . . . 4 ⊢ (0[,](1 / 2)) ⊆ ℝ |
8 | 7 | a1i 11 | . . 3 ⊢ (⊤ → (0[,](1 / 2)) ⊆ ℝ) |
9 | unitssre 13415 | . . . 4 ⊢ (0[,]1) ⊆ ℝ | |
10 | 9 | a1i 11 | . . 3 ⊢ (⊤ → (0[,]1) ⊆ ℝ) |
11 | iihalf1 24292 | . . . 4 ⊢ (𝑥 ∈ (0[,](1 / 2)) → (2 · 𝑥) ∈ (0[,]1)) | |
12 | 11 | adantl 482 | . . 3 ⊢ ((⊤ ∧ 𝑥 ∈ (0[,](1 / 2))) → (2 · 𝑥) ∈ (0[,]1)) |
13 | 1 | cnfldtopon 24144 | . . . . 5 ⊢ (TopOpen‘ℂfld) ∈ (TopOn‘ℂ) |
14 | 13 | a1i 11 | . . . 4 ⊢ (⊤ → (TopOpen‘ℂfld) ∈ (TopOn‘ℂ)) |
15 | 2cnd 12230 | . . . . 5 ⊢ (⊤ → 2 ∈ ℂ) | |
16 | 14, 14, 15 | cnmptc 23011 | . . . 4 ⊢ (⊤ → (𝑥 ∈ ℂ ↦ 2) ∈ ((TopOpen‘ℂfld) Cn (TopOpen‘ℂfld))) |
17 | 14 | cnmptid 23010 | . . . 4 ⊢ (⊤ → (𝑥 ∈ ℂ ↦ 𝑥) ∈ ((TopOpen‘ℂfld) Cn (TopOpen‘ℂfld))) |
18 | 1 | mulcn 24228 | . . . . 5 ⊢ · ∈ (((TopOpen‘ℂfld) ×t (TopOpen‘ℂfld)) Cn (TopOpen‘ℂfld)) |
19 | 18 | a1i 11 | . . . 4 ⊢ (⊤ → · ∈ (((TopOpen‘ℂfld) ×t (TopOpen‘ℂfld)) Cn (TopOpen‘ℂfld))) |
20 | 14, 16, 17, 19 | cnmpt12f 23015 | . . 3 ⊢ (⊤ → (𝑥 ∈ ℂ ↦ (2 · 𝑥)) ∈ ((TopOpen‘ℂfld) Cn (TopOpen‘ℂfld))) |
21 | 1, 2, 3, 8, 10, 12, 20 | cnmptre 24288 | . 2 ⊢ (⊤ → (𝑥 ∈ (0[,](1 / 2)) ↦ (2 · 𝑥)) ∈ (𝐽 Cn II)) |
22 | 21 | mptru 1548 | 1 ⊢ (𝑥 ∈ (0[,](1 / 2)) ↦ (2 · 𝑥)) ∈ (𝐽 Cn II) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1541 ⊤wtru 1542 ∈ wcel 2106 ⊆ wss 3910 ↦ cmpt 5188 ran crn 5634 ‘cfv 6496 (class class class)co 7356 ℂcc 11048 ℝcr 11049 0cc0 11050 1c1 11051 · cmul 11055 / cdiv 11811 2c2 12207 (,)cioo 13263 [,]cicc 13266 ↾t crest 17301 TopOpenctopn 17302 topGenctg 17318 ℂfldccnfld 20794 TopOnctopon 22257 Cn ccn 22573 ×t ctx 22909 IIcii 24236 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7671 ax-cnex 11106 ax-resscn 11107 ax-1cn 11108 ax-icn 11109 ax-addcl 11110 ax-addrcl 11111 ax-mulcl 11112 ax-mulrcl 11113 ax-mulcom 11114 ax-addass 11115 ax-mulass 11116 ax-distr 11117 ax-i2m1 11118 ax-1ne0 11119 ax-1rid 11120 ax-rnegex 11121 ax-rrecex 11122 ax-cnre 11123 ax-pre-lttri 11124 ax-pre-lttrn 11125 ax-pre-ltadd 11126 ax-pre-mulgt0 11127 ax-pre-sup 11128 ax-mulf 11130 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-iin 4957 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-se 5589 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-isom 6505 df-riota 7312 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7616 df-om 7802 df-1st 7920 df-2nd 7921 df-supp 8092 df-frecs 8211 df-wrecs 8242 df-recs 8316 df-rdg 8355 df-1o 8411 df-2o 8412 df-er 8647 df-map 8766 df-ixp 8835 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-fsupp 9305 df-fi 9346 df-sup 9377 df-inf 9378 df-oi 9445 df-card 9874 df-pnf 11190 df-mnf 11191 df-xr 11192 df-ltxr 11193 df-le 11194 df-sub 11386 df-neg 11387 df-div 11812 df-nn 12153 df-2 12215 df-3 12216 df-4 12217 df-5 12218 df-6 12219 df-7 12220 df-8 12221 df-9 12222 df-n0 12413 df-z 12499 df-dec 12618 df-uz 12763 df-q 12873 df-rp 12915 df-xneg 13032 df-xadd 13033 df-xmul 13034 df-ioo 13267 df-icc 13270 df-fz 13424 df-fzo 13567 df-seq 13906 df-exp 13967 df-hash 14230 df-cj 14983 df-re 14984 df-im 14985 df-sqrt 15119 df-abs 15120 df-struct 17018 df-sets 17035 df-slot 17053 df-ndx 17065 df-base 17083 df-ress 17112 df-plusg 17145 df-mulr 17146 df-starv 17147 df-sca 17148 df-vsca 17149 df-ip 17150 df-tset 17151 df-ple 17152 df-ds 17154 df-unif 17155 df-hom 17156 df-cco 17157 df-rest 17303 df-topn 17304 df-0g 17322 df-gsum 17323 df-topgen 17324 df-pt 17325 df-prds 17328 df-xrs 17383 df-qtop 17388 df-imas 17389 df-xps 17391 df-mre 17465 df-mrc 17466 df-acs 17468 df-mgm 18496 df-sgrp 18545 df-mnd 18556 df-submnd 18601 df-mulg 18871 df-cntz 19095 df-cmn 19562 df-psmet 20786 df-xmet 20787 df-met 20788 df-bl 20789 df-mopn 20790 df-cnfld 20795 df-top 22241 df-topon 22258 df-topsp 22280 df-bases 22294 df-cn 22576 df-cnp 22577 df-tx 22911 df-hmeo 23104 df-xms 23671 df-ms 23672 df-tms 23673 df-ii 24238 |
This theorem is referenced by: htpycc 24341 pcocn 24378 pcohtpylem 24380 pcopt2 24384 pcoass 24385 pcorevlem 24387 |
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