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Mirrors > Home > MPE Home > Th. List > Mathboxes > ordcmp | Structured version Visualization version Unicode version |
Description: An ordinal topology is compact iff the underlying set is its supremum (union) only when the ordinal is . (Contributed by Chen-Pang He, 1-Nov-2015.) |
Ref | Expression |
---|---|
ordcmp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orduni 6994 | . . . 4 | |
2 | unizlim 5844 | . . . . . 6 | |
3 | uni0b 4463 | . . . . . . 7 | |
4 | 3 | orbi1i 542 | . . . . . 6 |
5 | 2, 4 | syl6bb 276 | . . . . 5 |
6 | 5 | biimpd 219 | . . . 4 |
7 | 1, 6 | syl 17 | . . 3 |
8 | sssn 4358 | . . . . . . 7 | |
9 | 0ntop 20710 | . . . . . . . . . . 11 | |
10 | cmptop 21198 | . . . . . . . . . . 11 | |
11 | 9, 10 | mto 188 | . . . . . . . . . 10 |
12 | eleq1 2689 | . . . . . . . . . 10 | |
13 | 11, 12 | mtbiri 317 | . . . . . . . . 9 |
14 | 13 | pm2.21d 118 | . . . . . . . 8 |
15 | id 22 | . . . . . . . . . 10 | |
16 | df1o2 7572 | . . . . . . . . . 10 | |
17 | 15, 16 | syl6eqr 2674 | . . . . . . . . 9 |
18 | 17 | a1d 25 | . . . . . . . 8 |
19 | 14, 18 | jaoi 394 | . . . . . . 7 |
20 | 8, 19 | sylbi 207 | . . . . . 6 |
21 | 20 | a1i 11 | . . . . 5 |
22 | ordtop 32435 | . . . . . . . . . . 11 | |
23 | 22 | biimpd 219 | . . . . . . . . . 10 |
24 | 23 | necon2bd 2810 | . . . . . . . . 9 |
25 | cmptop 21198 | . . . . . . . . . 10 | |
26 | 25 | con3i 150 | . . . . . . . . 9 |
27 | 24, 26 | syl6 35 | . . . . . . . 8 |
28 | 27 | a1dd 50 | . . . . . . 7 |
29 | limsucncmp 32445 | . . . . . . . . 9 | |
30 | eleq1 2689 | . . . . . . . . . 10 | |
31 | 30 | notbid 308 | . . . . . . . . 9 |
32 | 29, 31 | syl5ibr 236 | . . . . . . . 8 |
33 | 32 | a1i 11 | . . . . . . 7 |
34 | orduniorsuc 7030 | . . . . . . 7 | |
35 | 28, 33, 34 | mpjaod 396 | . . . . . 6 |
36 | pm2.21 120 | . . . . . 6 | |
37 | 35, 36 | syl6 35 | . . . . 5 |
38 | 21, 37 | jaod 395 | . . . 4 |
39 | 38 | com23 86 | . . 3 |
40 | 7, 39 | syl5d 73 | . 2 |
41 | ordeleqon 6988 | . . . . . . 7 | |
42 | unon 7031 | . . . . . . . . . . 11 | |
43 | 42 | eqcomi 2631 | . . . . . . . . . 10 |
44 | 43 | unieqi 4445 | . . . . . . . . 9 |
45 | unieq 4444 | . . . . . . . . 9 | |
46 | 45 | unieqd 4446 | . . . . . . . . 9 |
47 | 44, 45, 46 | 3eqtr4a 2682 | . . . . . . . 8 |
48 | 47 | orim2i 540 | . . . . . . 7 |
49 | 41, 48 | sylbi 207 | . . . . . 6 |
50 | 49 | orcomd 403 | . . . . 5 |
51 | 50 | ord 392 | . . . 4 |
52 | unieq 4444 | . . . . . . 7 | |
53 | 52 | con3i 150 | . . . . . 6 |
54 | 34 | ord 392 | . . . . . 6 |
55 | 53, 54 | syl5 34 | . . . . 5 |
56 | orduniorsuc 7030 | . . . . . . . 8 | |
57 | 1, 56 | syl 17 | . . . . . . 7 |
58 | 57 | ord 392 | . . . . . 6 |
59 | suceq 5790 | . . . . . 6 | |
60 | 58, 59 | syl6 35 | . . . . 5 |
61 | eqtr 2641 | . . . . . 6 | |
62 | 61 | ex 450 | . . . . 5 |
63 | 55, 60, 62 | syl6c 70 | . . . 4 |
64 | onuni 6993 | . . . . 5 | |
65 | onuni 6993 | . . . . 5 | |
66 | onsucsuccmp 32443 | . . . . 5 | |
67 | eleq1a 2696 | . . . . 5 | |
68 | 64, 65, 66, 67 | 4syl 19 | . . . 4 |
69 | 51, 63, 68 | syl6c 70 | . . 3 |
70 | id 22 | . . . . . 6 | |
71 | 70, 16 | syl6eq 2672 | . . . . 5 |
72 | 0cmp 21197 | . . . . 5 | |
73 | 71, 72 | syl6eqel 2709 | . . . 4 |
74 | 73 | a1i 11 | . . 3 |
75 | 69, 74 | jad 174 | . 2 |
76 | 40, 75 | impbid 202 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wo 383 wceq 1483 wcel 1990 wne 2794 wss 3574 c0 3915 csn 4177 cuni 4436 word 5722 con0 5723 wlim 5724 csuc 5725 c1o 7553 ctop 20698 ccmp 21189 |
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-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-rab 2921 df-v 3202 df-sbc 3436 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-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-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-om 7066 df-1o 7560 df-er 7742 df-en 7956 df-fin 7959 df-topgen 16104 df-top 20699 df-topon 20716 df-bases 20750 df-cmp 21190 |
This theorem is referenced by: (None) |
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