Description: Value of the double transposition for a general class F . (Contributed by Mario Carneiro, 16-Sep-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | tpostpos | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reltpos | |
|
2 | relinxp | |
|
3 | relcnv | |
|
4 | df-rel | |
|
5 | 3 4 | mpbi | |
6 | simpl | |
|
7 | 5 6 | sselid | |
8 | simpr | |
|
9 | elvv | |
|
10 | eleq1 | |
|
11 | vex | |
|
12 | vex | |
|
13 | 11 12 | opelcnv | |
14 | 10 13 | bitrdi | |
15 | sneq | |
|
16 | 15 | cnveqd | |
17 | 16 | unieqd | |
18 | opswap | |
|
19 | 17 18 | eqtrdi | |
20 | 19 | breq1d | |
21 | 14 20 | anbi12d | |
22 | opex | |
|
23 | vex | |
|
24 | 22 23 | breldm | |
25 | 24 | pm4.71ri | |
26 | brtpos | |
|
27 | 26 | elv | |
28 | 25 27 | bitr3i | |
29 | 21 28 | bitrdi | |
30 | breq1 | |
|
31 | 29 30 | bitr4d | |
32 | 31 | exlimivv | |
33 | 9 32 | sylbi | |
34 | iba | |
|
35 | 33 34 | bitrd | |
36 | 7 8 35 | pm5.21nii | |
37 | elsni | |
|
38 | 37 | sneqd | |
39 | 38 | cnveqd | |
40 | cnvsn0 | |
|
41 | 39 40 | eqtrdi | |
42 | 41 | unieqd | |
43 | uni0 | |
|
44 | 42 43 | eqtrdi | |
45 | 44 | breq1d | |
46 | brtpos0 | |
|
47 | 46 | elv | |
48 | 45 47 | bitrdi | |
49 | 37 | breq1d | |
50 | 48 49 | bitr4d | |
51 | 50 | pm5.32i | |
52 | 51 | biancomi | |
53 | 36 52 | orbi12i | |
54 | andir | |
|
55 | andi | |
|
56 | 53 54 55 | 3bitr4i | |
57 | elun | |
|
58 | 57 | anbi1i | |
59 | brxp | |
|
60 | 23 59 | mpbiran2 | |
61 | elun | |
|
62 | 60 61 | bitri | |
63 | 62 | anbi2i | |
64 | 56 58 63 | 3bitr4i | |
65 | brtpos2 | |
|
66 | 65 | elv | |
67 | brin | |
|
68 | 64 66 67 | 3bitr4i | |
69 | 1 2 68 | eqbrriv | |