Description: Part of proof of Lemma K of Crawley p. 118. Eliminate the P from the conclusion of cdlemk25-3 . (Contributed by NM, 10-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 | cdlemk27-3 | |
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 | simp11 | |
|
12 | simp221 | |
|
13 | simp13l | |
|
14 | simp12 | |
|
15 | simp3l3 | |
|
16 | simp3r | |
|
17 | 16 | necomd | |
18 | 15 17 | jca | |
19 | simp222 | |
|
20 | simp23l | |
|
21 | simp223 | |
|
22 | 19 20 21 | 3jca | |
23 | simp21 | |
|
24 | 1 2 3 4 5 6 7 8 9 10 | cdlemkuel-3 | |
25 | 11 12 13 14 18 22 23 24 | syl313anc | |
26 | simp121 | |
|
27 | simp13r | |
|
28 | simp123 | |
|
29 | simp3l2 | |
|
30 | simp3l1 | |
|
31 | 30 | necomd | |
32 | 29 31 | jca | |
33 | simp23r | |
|
34 | 19 20 33 | 3jca | |
35 | 1 2 3 4 5 6 7 8 9 10 | cdlemkuel-3 | |
36 | 11 12 13 26 27 28 32 34 23 35 | syl333anc | |
37 | 1 2 3 4 5 6 7 8 9 10 | cdlemk26-3 | |
38 | 2 5 6 7 | cdlemd | |
39 | 11 25 36 23 37 38 | syl311anc | |