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Mirrors > Home > MPE Home > Th. List > elpt | Structured version Visualization version Unicode version |
Description: Elementhood in the bases of a product topology. (Contributed by Mario Carneiro, 3-Feb-2015.) |
Ref | Expression |
---|---|
ptbas.1 |
Ref | Expression |
---|---|
elpt |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ptbas.1 | . . 3 | |
2 | 1 | eleq2i 2693 | . 2 |
3 | simpr 477 | . . . . 5 | |
4 | ixpexg 7932 | . . . . . 6 | |
5 | fvexd 6203 | . . . . . 6 | |
6 | 4, 5 | mprg 2926 | . . . . 5 |
7 | 3, 6 | syl6eqel 2709 | . . . 4 |
8 | 7 | exlimiv 1858 | . . 3 |
9 | eqeq1 2626 | . . . . 5 | |
10 | 9 | anbi2d 740 | . . . 4 |
11 | 10 | exbidv 1850 | . . 3 |
12 | 8, 11 | elab3 3358 | . 2 |
13 | fneq1 5979 | . . . . 5 | |
14 | fveq1 6190 | . . . . . . 7 | |
15 | 14 | eleq1d 2686 | . . . . . 6 |
16 | 15 | ralbidv 2986 | . . . . 5 |
17 | 14 | eqeq1d 2624 | . . . . . . 7 |
18 | 17 | rexralbidv 3058 | . . . . . 6 |
19 | difeq2 3722 | . . . . . . . 8 | |
20 | 19 | raleqdv 3144 | . . . . . . 7 |
21 | 20 | cbvrexv 3172 | . . . . . 6 |
22 | 18, 21 | syl6bb 276 | . . . . 5 |
23 | 13, 16, 22 | 3anbi123d 1399 | . . . 4 |
24 | 14 | ixpeq2dv 7924 | . . . . 5 |
25 | 24 | eqeq2d 2632 | . . . 4 |
26 | 23, 25 | anbi12d 747 | . . 3 |
27 | 26 | cbvexv 2275 | . 2 |
28 | 2, 12, 27 | 3bitri 286 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 w3a 1037 wceq 1483 wex 1704 wcel 1990 cab 2608 wral 2912 wrex 2913 cvv 3200 cdif 3571 cuni 4436 wfn 5883 cfv 5888 cixp 7908 cfn 7955 |
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-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-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-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ixp 7909 |
This theorem is referenced by: elptr 21376 ptbasin 21380 ptbasfi 21384 ptrecube 33409 |
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