Description: Part of proof of Lemma L of Crawley p. 120. TODO: fix comment. (Contributed by NM, 1-Aug-2013) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | cdleml1.b | |
|
cdleml1.h | |
||
cdleml1.t | |
||
cdleml1.r | |
||
cdleml1.e | |
||
Assertion | cdleml1N | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdleml1.b | |
|
2 | cdleml1.h | |
|
3 | cdleml1.t | |
|
4 | cdleml1.r | |
|
5 | cdleml1.e | |
|
6 | simp1 | |
|
7 | simp21 | |
|
8 | simp23 | |
|
9 | eqid | |
|
10 | 9 2 3 4 5 | tendotp | |
11 | 6 7 8 10 | syl3anc | |
12 | simp1l | |
|
13 | hlatl | |
|
14 | 12 13 | syl | |
15 | 2 3 5 | tendocl | |
16 | 6 7 8 15 | syl3anc | |
17 | simp32 | |
|
18 | eqid | |
|
19 | 1 18 2 3 4 | trlnidat | |
20 | 6 16 17 19 | syl3anc | |
21 | simp31 | |
|
22 | 1 18 2 3 4 | trlnidat | |
23 | 6 8 21 22 | syl3anc | |
24 | 9 18 | atcmp | |
25 | 14 20 23 24 | syl3anc | |
26 | 11 25 | mpbid | |
27 | simp22 | |
|
28 | 9 2 3 4 5 | tendotp | |
29 | 6 27 8 28 | syl3anc | |
30 | 2 3 5 | tendocl | |
31 | 6 27 8 30 | syl3anc | |
32 | simp33 | |
|
33 | 1 18 2 3 4 | trlnidat | |
34 | 6 31 32 33 | syl3anc | |
35 | 9 18 | atcmp | |
36 | 14 34 23 35 | syl3anc | |
37 | 29 36 | mpbid | |
38 | 26 37 | eqtr4d | |