Description: Partial ordering of a singleton. (Contributed by NM, 27-Apr-2009) (Revised by Mario Carneiro, 23-Apr-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | posn | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | po0 | |
|
2 | snprc | |
|
3 | poeq2 | |
|
4 | 2 3 | sylbi | |
5 | 1 4 | mpbiri | |
6 | 5 | adantl | |
7 | brrelex1 | |
|
8 | 7 | stoic1a | |
9 | 6 8 | 2thd | |
10 | 9 | ex | |
11 | df-po | |
|
12 | breq2 | |
|
13 | 12 | anbi2d | |
14 | breq2 | |
|
15 | 13 14 | imbi12d | |
16 | 15 | anbi2d | |
17 | 16 | ralsng | |
18 | 17 | ralbidv | |
19 | simpl | |
|
20 | breq2 | |
|
21 | 19 20 | imbitrid | |
22 | 21 | biantrud | |
23 | 22 | bicomd | |
24 | 23 | ralsng | |
25 | 18 24 | bitrd | |
26 | 25 | ralbidv | |
27 | breq12 | |
|
28 | 27 | anidms | |
29 | 28 | notbid | |
30 | 29 | ralsng | |
31 | 26 30 | bitrd | |
32 | 11 31 | bitrid | |
33 | 10 32 | pm2.61d2 | |