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Mirrors > Home > MPE Home > Th. List > cnconst2 | Structured version Visualization version Unicode version |
Description: A constant function is continuous. (Contributed by Mario Carneiro, 19-Mar-2015.) |
Ref | Expression |
---|---|
cnconst2 | TopOn TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fconst6g 6094 | . . 3 | |
2 | 1 | 3ad2ant3 1084 | . 2 TopOn TopOn |
3 | 2 | adantr 481 | . . . 4 TopOn TopOn |
4 | simpll3 1102 | . . . . . . . 8 TopOn TopOn | |
5 | simplr 792 | . . . . . . . 8 TopOn TopOn | |
6 | fvconst2g 6467 | . . . . . . . 8 | |
7 | 4, 5, 6 | syl2anc 693 | . . . . . . 7 TopOn TopOn |
8 | 7 | eleq1d 2686 | . . . . . 6 TopOn TopOn |
9 | simpll1 1100 | . . . . . . . . 9 TopOn TopOn TopOn | |
10 | toponmax 20730 | . . . . . . . . 9 TopOn | |
11 | 9, 10 | syl 17 | . . . . . . . 8 TopOn TopOn |
12 | simplr 792 | . . . . . . . 8 TopOn TopOn | |
13 | df-ima 5127 | . . . . . . . . 9 | |
14 | ssid 3624 | . . . . . . . . . . . . 13 | |
15 | xpssres 5434 | . . . . . . . . . . . . 13 | |
16 | 14, 15 | ax-mp 5 | . . . . . . . . . . . 12 |
17 | 16 | rneqi 5352 | . . . . . . . . . . 11 |
18 | rnxpss 5566 | . . . . . . . . . . 11 | |
19 | 17, 18 | eqsstri 3635 | . . . . . . . . . 10 |
20 | simprr 796 | . . . . . . . . . . 11 TopOn TopOn | |
21 | 20 | snssd 4340 | . . . . . . . . . 10 TopOn TopOn |
22 | 19, 21 | syl5ss 3614 | . . . . . . . . 9 TopOn TopOn |
23 | 13, 22 | syl5eqss 3649 | . . . . . . . 8 TopOn TopOn |
24 | eleq2 2690 | . . . . . . . . . 10 | |
25 | imaeq2 5462 | . . . . . . . . . . 11 | |
26 | 25 | sseq1d 3632 | . . . . . . . . . 10 |
27 | 24, 26 | anbi12d 747 | . . . . . . . . 9 |
28 | 27 | rspcev 3309 | . . . . . . . 8 |
29 | 11, 12, 23, 28 | syl12anc 1324 | . . . . . . 7 TopOn TopOn |
30 | 29 | expr 643 | . . . . . 6 TopOn TopOn |
31 | 8, 30 | sylbid 230 | . . . . 5 TopOn TopOn |
32 | 31 | ralrimiva 2966 | . . . 4 TopOn TopOn |
33 | simpl1 1064 | . . . . 5 TopOn TopOn TopOn | |
34 | simpl2 1065 | . . . . 5 TopOn TopOn TopOn | |
35 | simpr 477 | . . . . 5 TopOn TopOn | |
36 | iscnp 21041 | . . . . 5 TopOn TopOn | |
37 | 33, 34, 35, 36 | syl3anc 1326 | . . . 4 TopOn TopOn |
38 | 3, 32, 37 | mpbir2and 957 | . . 3 TopOn TopOn |
39 | 38 | ralrimiva 2966 | . 2 TopOn TopOn |
40 | cncnp 21084 | . . 3 TopOn TopOn | |
41 | 40 | 3adant3 1081 | . 2 TopOn TopOn |
42 | 2, 39, 41 | mpbir2and 957 | 1 TopOn TopOn |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 wral 2912 wrex 2913 wss 3574 csn 4177 cxp 5112 crn 5115 cres 5116 cima 5117 wf 5884 cfv 5888 (class class class)co 6650 TopOnctopon 20715 ccn 21028 ccnp 21029 |
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-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-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-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 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-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-map 7859 df-topgen 16104 df-top 20699 df-topon 20716 df-cn 21031 df-cnp 21032 |
This theorem is referenced by: cnconst 21088 xkoccn 21422 txkgen 21455 cnmptc 21465 pcoptcl 22821 blocni 27660 pl1cn 30001 connpconn 31217 cvmliftphtlem 31299 cvmlift3lem9 31309 cnfdmsn 40095 stoweidlem47 40264 |
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