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Mirrors > Home > MPE Home > Th. List > istrkgld | Structured version Visualization version Unicode version |
Description: Property of fulfilling the lower dimension axiom. (Contributed by Thierry Arnoux, 20-Nov-2019.) |
Ref | Expression |
---|---|
istrkg.p | |
istrkg.d | |
istrkg.i | Itv |
Ref | Expression |
---|---|
istrkgld | DimTarskiG≥ ..^ ..^ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | istrkg.p | . . 3 | |
2 | istrkg.d | . . 3 | |
3 | istrkg.i | . . 3 Itv | |
4 | eqidd 2623 | . . . . . 6 | |
5 | eqidd 2623 | . . . . . 6 ..^ ..^ | |
6 | simp1 1061 | . . . . . . 7 | |
7 | 6 | eqcomd 2628 | . . . . . 6 |
8 | 4, 5, 7 | f1eq123d 6131 | . . . . 5 ..^ ..^ |
9 | simp2 1062 | . . . . . . . . . . . . . 14 | |
10 | 9 | eqcomd 2628 | . . . . . . . . . . . . 13 |
11 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
12 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
13 | 11, 12 | eqeq12d 2637 | . . . . . . . . . . 11 |
14 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
15 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
16 | 14, 15 | eqeq12d 2637 | . . . . . . . . . . 11 |
17 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
18 | 10 | oveqd 6667 | . . . . . . . . . . . 12 |
19 | 17, 18 | eqeq12d 2637 | . . . . . . . . . . 11 |
20 | 13, 16, 19 | 3anbi123d 1399 | . . . . . . . . . 10 |
21 | 20 | ralbidv 2986 | . . . . . . . . 9 ..^ ..^ |
22 | simp3 1063 | . . . . . . . . . . . . . 14 | |
23 | 22 | eqcomd 2628 | . . . . . . . . . . . . 13 |
24 | 23 | oveqd 6667 | . . . . . . . . . . . 12 |
25 | 24 | eleq2d 2687 | . . . . . . . . . . 11 |
26 | 23 | oveqd 6667 | . . . . . . . . . . . 12 |
27 | 26 | eleq2d 2687 | . . . . . . . . . . 11 |
28 | 23 | oveqd 6667 | . . . . . . . . . . . 12 |
29 | 28 | eleq2d 2687 | . . . . . . . . . . 11 |
30 | 25, 27, 29 | 3orbi123d 1398 | . . . . . . . . . 10 |
31 | 30 | notbid 308 | . . . . . . . . 9 |
32 | 21, 31 | anbi12d 747 | . . . . . . . 8 ..^ ..^ |
33 | 7, 32 | rexeqbidv 3153 | . . . . . . 7 ..^ ..^ |
34 | 7, 33 | rexeqbidv 3153 | . . . . . 6 ..^ ..^ |
35 | 7, 34 | rexeqbidv 3153 | . . . . 5 ..^ ..^ |
36 | 8, 35 | anbi12d 747 | . . . 4 ..^ ..^ ..^ ..^ |
37 | 36 | exbidv 1850 | . . 3 ..^ ..^ ..^ ..^ |
38 | 1, 2, 3, 37 | sbcie3s 15917 | . 2 Itv ..^ ..^ ..^ ..^ |
39 | eqidd 2623 | . . . . 5 | |
40 | oveq2 6658 | . . . . 5 ..^ ..^ | |
41 | eqidd 2623 | . . . . 5 | |
42 | 39, 40, 41 | f1eq123d 6131 | . . . 4 ..^ ..^ |
43 | oveq2 6658 | . . . . . . . 8 ..^ ..^ | |
44 | 43 | raleqdv 3144 | . . . . . . 7 ..^ ..^ |
45 | 44 | anbi1d 741 | . . . . . 6 ..^ ..^ |
46 | 45 | rexbidv 3052 | . . . . 5 ..^ ..^ |
47 | 46 | 2rexbidv 3057 | . . . 4 ..^ ..^ |
48 | 42, 47 | anbi12d 747 | . . 3 ..^ ..^ ..^ ..^ |
49 | 48 | exbidv 1850 | . 2 ..^ ..^ ..^ ..^ |
50 | df-trkgld 25351 | . 2 DimTarskiG≥ Itv ..^ ..^ | |
51 | 38, 49, 50 | brabg 4994 | 1 DimTarskiG≥ ..^ ..^ |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 w3o 1036 w3a 1037 wceq 1483 wex 1704 wcel 1990 wral 2912 wrex 2913 wsbc 3435 class class class wbr 4653 wf1 5885 cfv 5888 (class class class)co 6650 c1 9937 c2 11070 cuz 11687 ..^cfzo 12465 cbs 15857 cds 15950 DimTarskiG≥cstrkgld 25333 Itvcitv 25335 |
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-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
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-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-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fv 5896 df-ov 6653 df-trkgld 25351 |
This theorem is referenced by: istrkg2ld 25359 istrkg3ld 25360 |
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