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Mirrors > Home > MPE Home > Th. List > cnviin | Unicode version |
Description: The converse of an intersection is the intersection of the converse. (Contributed by FL, 15-Oct-2012.) |
Ref | Expression |
---|---|
cnviin |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relcnv 5379 | . 2 | |
2 | r19.2z 3918 | . . . . . 6 | |
3 | 2 | expcom 435 | . . . . 5 |
4 | relcnv 5379 | . . . . . . 7 | |
5 | df-rel 5011 | . . . . . . 7 | |
6 | 4, 5 | mpbi 208 | . . . . . 6 |
7 | 6 | a1i 11 | . . . . 5 |
8 | 3, 7 | mprg 2820 | . . . 4 |
9 | iinss 4381 | . . . 4 | |
10 | 8, 9 | syl 16 | . . 3 |
11 | df-rel 5011 | . . 3 | |
12 | 10, 11 | sylibr 212 | . 2 |
13 | opex 4716 | . . . . 5 | |
14 | eliin 4336 | . . . . 5 | |
15 | 13, 14 | ax-mp 5 | . . . 4 |
16 | vex 3112 | . . . . 5 | |
17 | vex 3112 | . . . . 5 | |
18 | 16, 17 | opelcnv 5189 | . . . 4 |
19 | opex 4716 | . . . . . 6 | |
20 | eliin 4336 | . . . . . 6 | |
21 | 19, 20 | ax-mp 5 | . . . . 5 |
22 | 16, 17 | opelcnv 5189 | . . . . . 6 |
23 | 22 | ralbii 2888 | . . . . 5 |
24 | 21, 23 | bitri 249 | . . . 4 |
25 | 15, 18, 24 | 3bitr4i 277 | . . 3 |
26 | 25 | eqrelriv 5101 | . 2 |
27 | 1, 12, 26 | sylancr 663 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -> wi 4 <-> wb 184
= wceq 1395 e. wcel 1818 =/= wne 2652
A. wral 2807 E. wrex 2808 cvv 3109
C_ wss 3475 c0 3784 <. cop 4035 |^|_ ciin 4331
X. cxp 5002 `' ccnv 5003 Rel wrel 5009 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-9 1822 ax-10 1837 ax-11 1842 ax-12 1854 ax-13 1999 ax-ext 2435 ax-sep 4573 ax-nul 4581 ax-pr 4691 |
This theorem depends on definitions: df-bi 185 df-or 370 df-an 371 df-3an 975 df-tru 1398 df-ex 1613 df-nf 1617 df-sb 1740 df-eu 2286 df-mo 2287 df-clab 2443 df-cleq 2449 df-clel 2452 df-nfc 2607 df-ne 2654 df-ral 2812 df-rex 2813 df-rab 2816 df-v 3111 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-nul 3785 df-if 3942 df-sn 4030 df-pr 4032 df-op 4036 df-iin 4333 df-br 4453 df-opab 4511 df-xp 5010 df-rel 5011 df-cnv 5012 |
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