Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > iccintsng | Structured version Visualization version Unicode version |
Description: Intersection of two adiacent closed intervals is a singleton. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
iccintsng |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl1 1064 | . . . . . . . 8 | |
2 | simpl2 1065 | . . . . . . . 8 | |
3 | simprl 794 | . . . . . . . 8 | |
4 | iccleub 12229 | . . . . . . . 8 | |
5 | 1, 2, 3, 4 | syl3anc 1326 | . . . . . . 7 |
6 | simpl3 1066 | . . . . . . . 8 | |
7 | simprr 796 | . . . . . . . 8 | |
8 | iccgelb 12230 | . . . . . . . 8 | |
9 | 2, 6, 7, 8 | syl3anc 1326 | . . . . . . 7 |
10 | eliccxr 39737 | . . . . . . . . . 10 | |
11 | 3, 10 | syl 17 | . . . . . . . . 9 |
12 | 11, 2 | jca 554 | . . . . . . . 8 |
13 | xrletri3 11985 | . . . . . . . 8 | |
14 | 12, 13 | syl 17 | . . . . . . 7 |
15 | 5, 9, 14 | mpbir2and 957 | . . . . . 6 |
16 | 15 | ex 450 | . . . . 5 |
17 | 16 | adantr 481 | . . . 4 |
18 | simpll1 1100 | . . . . . . 7 | |
19 | simpll2 1101 | . . . . . . 7 | |
20 | simplrl 800 | . . . . . . 7 | |
21 | simpr 477 | . . . . . . 7 | |
22 | simpr 477 | . . . . . . . 8 | |
23 | ubicc2 12289 | . . . . . . . . 9 | |
24 | 23 | adantr 481 | . . . . . . . 8 |
25 | 22, 24 | eqeltrd 2701 | . . . . . . 7 |
26 | 18, 19, 20, 21, 25 | syl31anc 1329 | . . . . . 6 |
27 | simpll3 1102 | . . . . . . 7 | |
28 | simplrr 801 | . . . . . . 7 | |
29 | simpr 477 | . . . . . . . 8 | |
30 | lbicc2 12288 | . . . . . . . . 9 | |
31 | 30 | adantr 481 | . . . . . . . 8 |
32 | 29, 31 | eqeltrd 2701 | . . . . . . 7 |
33 | 19, 27, 28, 21, 32 | syl31anc 1329 | . . . . . 6 |
34 | 26, 33 | jca 554 | . . . . 5 |
35 | 34 | ex 450 | . . . 4 |
36 | 17, 35 | impbid 202 | . . 3 |
37 | elin 3796 | . . 3 | |
38 | velsn 4193 | . . 3 | |
39 | 36, 37, 38 | 3bitr4g 303 | . 2 |
40 | 39 | eqrdv 2620 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 cin 3573 csn 4177 class class class wbr 4653 (class class class)co 6650 cxr 10073 cle 10075 cicc 12178 |
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 ax-cnex 9992 ax-resscn 9993 ax-pre-lttri 10010 ax-pre-lttrn 10011 |
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-nel 2898 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-po 5035 df-so 5036 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-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-icc 12182 |
This theorem is referenced by: iblspltprt 40189 |
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