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Mirrors > Home > MPE Home > Th. List > xkopjcn | Structured version Visualization version Unicode version |
Description: Continuity of a projection map from the space of continuous functions. (This theorem can be strengthened, to joint continuity in both and as a function on , but not without stronger assumptions on ; see xkofvcn 21487.) (Contributed by Mario Carneiro, 3-Feb-2015.) (Revised by Mario Carneiro, 22-Aug-2015.) |
Ref | Expression |
---|---|
xkopjcn.1 |
Ref | Expression |
---|---|
xkopjcn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2622 | . . . . . 6 | |
2 | 1 | xkotopon 21403 | . . . . 5 TopOn |
3 | 2 | 3adant3 1081 | . . . 4 TopOn |
4 | xkopjcn.1 | . . . . . . . . 9 | |
5 | 4 | topopn 20711 | . . . . . . . 8 |
6 | 5 | 3ad2ant1 1082 | . . . . . . 7 |
7 | fconst6g 6094 | . . . . . . . 8 | |
8 | 7 | 3ad2ant2 1083 | . . . . . . 7 |
9 | pttop 21385 | . . . . . . 7 | |
10 | 6, 8, 9 | syl2anc 693 | . . . . . 6 |
11 | eqid 2622 | . . . . . . . . . 10 | |
12 | 4, 11 | cnf 21050 | . . . . . . . . 9 |
13 | uniexg 6955 | . . . . . . . . . . 11 | |
14 | 13 | 3ad2ant2 1083 | . . . . . . . . . 10 |
15 | 14, 6 | elmapd 7871 | . . . . . . . . 9 |
16 | 12, 15 | syl5ibr 236 | . . . . . . . 8 |
17 | 16 | ssrdv 3609 | . . . . . . 7 |
18 | simp2 1062 | . . . . . . . 8 | |
19 | eqid 2622 | . . . . . . . . 9 | |
20 | 19, 11 | ptuniconst 21401 | . . . . . . . 8 |
21 | 6, 18, 20 | syl2anc 693 | . . . . . . 7 |
22 | 17, 21 | sseqtrd 3641 | . . . . . 6 |
23 | eqid 2622 | . . . . . . 7 | |
24 | 23 | restuni 20966 | . . . . . 6 ↾t |
25 | 10, 22, 24 | syl2anc 693 | . . . . 5 ↾t |
26 | 25 | fveq2d 6195 | . . . 4 TopOn TopOn ↾t |
27 | 3, 26 | eleqtrd 2703 | . . 3 TopOn ↾t |
28 | 4, 19 | xkoptsub 21457 | . . . 4 ↾t |
29 | 28 | 3adant3 1081 | . . 3 ↾t |
30 | eqid 2622 | . . . 4 ↾t ↾t | |
31 | 30 | cnss1 21080 | . . 3 TopOn ↾t ↾t ↾t |
32 | 27, 29, 31 | syl2anc 693 | . 2 ↾t |
33 | 22 | resmptd 5452 | . . 3 |
34 | simp3 1063 | . . . . . 6 | |
35 | 23, 19 | ptpjcn 21414 | . . . . . 6 |
36 | 6, 8, 34, 35 | syl3anc 1326 | . . . . 5 |
37 | fvconst2g 6467 | . . . . . . 7 | |
38 | 37 | 3adant1 1079 | . . . . . 6 |
39 | 38 | oveq2d 6666 | . . . . 5 |
40 | 36, 39 | eleqtrd 2703 | . . . 4 |
41 | 23 | cnrest 21089 | . . . 4 ↾t |
42 | 40, 22, 41 | syl2anc 693 | . . 3 ↾t |
43 | 33, 42 | eqeltrrd 2702 | . 2 ↾t |
44 | 32, 43 | sseldd 3604 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 w3a 1037 wceq 1483 wcel 1990 cvv 3200 wss 3574 csn 4177 cuni 4436 cmpt 4729 cxp 5112 cres 5116 wf 5884 cfv 5888 (class class class)co 6650 cmap 7857 ↾t crest 16081 cpt 16099 ctop 20698 TopOnctopon 20715 ccn 21028 cxko 21364 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-iin 4523 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-2o 7561 df-oadd 7564 df-er 7742 df-map 7859 df-ixp 7909 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-fi 8317 df-rest 16083 df-topgen 16104 df-pt 16105 df-top 20699 df-topon 20716 df-bases 20750 df-cn 21031 df-cmp 21190 df-xko 21366 |
This theorem is referenced by: cnmptkp 21483 xkofvcn 21487 |
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