Description: Part of proof of Lemma N of Crawley p. 121 line 36. (Contributed by NM, 27-Feb-2014)
Ref | Expression | ||
---|---|---|---|
Hypotheses | cdlemn8.b | |
|
cdlemn8.l | |
||
cdlemn8.a | |
||
cdlemn8.h | |
||
cdlemn8.p | |
||
cdlemn8.o | |
||
cdlemn8.t | |
||
cdlemn8.e | |
||
cdlemn8.u | |
||
cdlemn8.s | |
||
cdlemn8.f | |
||
cdlemn8.g | |
||
Assertion | cdlemn9 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdlemn8.b | |
|
2 | cdlemn8.l | |
|
3 | cdlemn8.a | |
|
4 | cdlemn8.h | |
|
5 | cdlemn8.p | |
|
6 | cdlemn8.o | |
|
7 | cdlemn8.t | |
|
8 | cdlemn8.e | |
|
9 | cdlemn8.u | |
|
10 | cdlemn8.s | |
|
11 | cdlemn8.f | |
|
12 | cdlemn8.g | |
|
13 | 1 2 3 4 5 6 7 8 9 10 11 12 | cdlemn8 | |
14 | 13 | fveq1d | |
15 | simp1 | |
|
16 | 2 3 4 5 | lhpocnel2 | |
17 | 16 | 3ad2ant1 | |
18 | simp2l | |
|
19 | 2 3 4 7 11 | ltrniotacl | |
20 | 15 17 18 19 | syl3anc | |
21 | 1 4 7 | ltrn1o | |
22 | 15 20 21 | syl2anc | |
23 | f1ocnv | |
|
24 | f1of | |
|
25 | 22 23 24 | 3syl | |
26 | simp2ll | |
|
27 | 1 3 | atbase | |
28 | 26 27 | syl | |
29 | fvco3 | |
|
30 | 25 28 29 | syl2anc | |
31 | 2 3 4 7 11 | ltrniotacnvval | |
32 | 15 17 18 31 | syl3anc | |
33 | 32 | fveq2d | |
34 | simp2r | |
|
35 | 2 3 4 7 12 | ltrniotaval | |
36 | 15 17 34 35 | syl3anc | |
37 | 33 36 | eqtrd | |
38 | 14 30 37 | 3eqtrd | |