Description: Part of proof of Lemma N of Crawley p. 121 line 37. TODO: combine cdlemn11a , cdlemn11b , cdlemn11c , cdlemn11pre into one? (Contributed by NM, 27-Feb-2014)
Ref | Expression | ||
---|---|---|---|
Hypotheses | cdlemn11a.b | |
|
cdlemn11a.l | |
||
cdlemn11a.j | |
||
cdlemn11a.a | |
||
cdlemn11a.h | |
||
cdlemn11a.p | |
||
cdlemn11a.o | |
||
cdlemn11a.t | |
||
cdlemn11a.r | |
||
cdlemn11a.e | |
||
cdlemn11a.i | |
||
cdlemn11a.J | |
||
cdlemn11a.u | |
||
cdlemn11a.d | |
||
cdlemn11a.s | |
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cdlemn11a.f | |
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cdlemn11a.g | |
||
Assertion | cdlemn11pre | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdlemn11a.b | |
|
2 | cdlemn11a.l | |
|
3 | cdlemn11a.j | |
|
4 | cdlemn11a.a | |
|
5 | cdlemn11a.h | |
|
6 | cdlemn11a.p | |
|
7 | cdlemn11a.o | |
|
8 | cdlemn11a.t | |
|
9 | cdlemn11a.r | |
|
10 | cdlemn11a.e | |
|
11 | cdlemn11a.i | |
|
12 | cdlemn11a.J | |
|
13 | cdlemn11a.u | |
|
14 | cdlemn11a.d | |
|
15 | cdlemn11a.s | |
|
16 | cdlemn11a.f | |
|
17 | cdlemn11a.g | |
|
18 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | cdlemn11c | |
19 | simp1 | |
|
20 | simp21 | |
|
21 | 2 4 5 6 8 10 12 16 | dicelval3 | |
22 | 19 20 21 | syl2anc | |
23 | simp23 | |
|
24 | 1 2 5 8 9 7 11 | dibelval3 | |
25 | 19 23 24 | syl2anc | |
26 | 22 25 | anbi12d | |
27 | reeanv | |
|
28 | simpl1 | |
|
29 | simpl21 | |
|
30 | simpl22 | |
|
31 | simpl23 | |
|
32 | simpr1r | |
|
33 | simpr1l | |
|
34 | simpr3 | |
|
35 | 1 2 4 5 6 7 8 10 13 14 16 17 | cdlemn9 | |
36 | 28 29 30 33 32 34 35 | syl123anc | |
37 | simpr2 | |
|
38 | 1 2 3 4 5 8 9 | cdlemn10 | |
39 | 28 29 30 31 32 36 37 38 | syl133anc | |
40 | 39 | 3exp2 | |
41 | oveq12 | |
|
42 | 41 | eqeq2d | |
43 | 42 | imbi1d | |
44 | 43 | imbi2d | |
45 | 44 | biimprd | |
46 | 45 | com23 | |
47 | 46 | impr | |
48 | 47 | com12 | |
49 | 40 48 | syl6 | |
50 | 49 | rexlimdvv | |
51 | 27 50 | biimtrrid | |
52 | 26 51 | sylbid | |
53 | 52 | rexlimdvv | |
54 | 18 53 | mpd | |