Description: Part of proof of Lemma K of Crawley p. 118. Eliminate the ( RC ) = ( RD ) requirement from cdlemk24-3 . (Contributed by NM, 7-Jul-2013)
Ref | Expression | ||
---|---|---|---|
Hypotheses | cdlemk3.b | |
|
cdlemk3.l | |
||
cdlemk3.j | |
||
cdlemk3.m | |
||
cdlemk3.a | |
||
cdlemk3.h | |
||
cdlemk3.t | |
||
cdlemk3.r | |
||
cdlemk3.s | |
||
cdlemk3.u1 | |
||
Assertion | cdlemk25-3 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdlemk3.b | |
|
2 | cdlemk3.l | |
|
3 | cdlemk3.j | |
|
4 | cdlemk3.m | |
|
5 | cdlemk3.a | |
|
6 | cdlemk3.h | |
|
7 | cdlemk3.t | |
|
8 | cdlemk3.r | |
|
9 | cdlemk3.s | |
|
10 | cdlemk3.u1 | |
|
11 | simpl1 | |
|
12 | simpl2 | |
|
13 | simpl31 | |
|
14 | simpl32 | |
|
15 | simpr | |
|
16 | 14 15 | jca | |
17 | simpl33 | |
|
18 | 1 2 3 4 5 6 7 8 9 10 | cdlemk24-3 | |
19 | 11 12 13 16 17 18 | syl113anc | |
20 | simp11 | |
|
21 | simp121 | |
|
22 | simp122 | |
|
23 | 20 21 22 | 3jca | |
24 | 23 | adantr | |
25 | simp123 | |
|
26 | simp131 | |
|
27 | simp132 | |
|
28 | 25 26 27 | 3jca | |
29 | simp21 | |
|
30 | simp221 | |
|
31 | 28 29 30 | 3jca | |
32 | 31 | adantr | |
33 | simp222 | |
|
34 | simp223 | |
|
35 | simp231 | |
|
36 | 33 34 35 | 3jca | |
37 | 36 | adantr | |
38 | simp232 | |
|
39 | simp311 | |
|
40 | simp312 | |
|
41 | 38 39 40 | 3jca | |
42 | 41 | adantr | |
43 | simp313 | |
|
44 | 43 | adantr | |
45 | simpl32 | |
|
46 | simpr | |
|
47 | 44 45 46 | 3jca | |
48 | 1 2 3 4 5 6 7 8 9 10 | cdlemk22-3 | |
49 | 24 32 37 42 47 48 | syl113anc | |
50 | 19 49 | pm2.61dane | |