Description: Properties of a function of order G(x) under certain assumptions. (Contributed by AV, 17-May-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | elbigo2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elbigo | |
|
2 | df-3an | |
|
3 | 1 2 | bitri | |
4 | reex | |
|
5 | 4 4 | pm3.2i | |
6 | 5 | a1i | |
7 | simpl | |
|
8 | 7 | adantl | |
9 | sstr2 | |
|
10 | 9 | adantld | |
11 | 10 | adantl | |
12 | 11 | impcom | |
13 | elpm2r | |
|
14 | 6 8 12 13 | syl12anc | |
15 | simpl | |
|
16 | elpm2r | |
|
17 | 6 15 16 | syl2anc | |
18 | ibar | |
|
19 | 18 | bicomd | |
20 | 14 17 19 | syl2anc | |
21 | 3 20 | bitrid | |
22 | elin | |
|
23 | fdm | |
|
24 | 23 | ad2antrl | |
25 | 24 | ad2antrr | |
26 | 25 | eleq2d | |
27 | 26 | anbi1d | |
28 | elicopnf | |
|
29 | 28 | ad3antlr | |
30 | 12 | ad2antrr | |
31 | 30 | sselda | |
32 | 31 | biantrurd | |
33 | 29 32 | bitr4d | |
34 | 33 | pm5.32da | |
35 | 27 34 | bitrd | |
36 | 22 35 | bitrid | |
37 | 36 | imbi1d | |
38 | impexp | |
|
39 | 37 38 | bitrdi | |
40 | 39 | ralbidv2 | |
41 | 40 | rexbidva | |
42 | 41 | rexbidva | |
43 | 21 42 | bitrd | |