Step |
Hyp |
Ref |
Expression |
1 |
|
mdsl.1 |
|
2 |
|
mdsl.2 |
|
3 |
|
chub1 |
|
4 |
1 3
|
mpan2 |
|
5 |
|
iba |
|
6 |
|
ssin |
|
7 |
5 6
|
syl6bb |
|
8 |
4 7
|
syl5ibcom |
|
9 |
|
chub2 |
|
10 |
1 9
|
mpan |
|
11 |
10
|
ssrind |
|
12 |
8 11
|
jctird |
|
13 |
|
chjcl |
|
14 |
1 13
|
mpan2 |
|
15 |
|
chincl |
|
16 |
2 15
|
mpan2 |
|
17 |
14 16
|
syl |
|
18 |
1 2
|
chincli |
|
19 |
|
chlub |
|
20 |
18 19
|
mp3an2 |
|
21 |
17 20
|
mpdan |
|
22 |
12 21
|
sylibd |
|
23 |
|
eqss |
|
24 |
23
|
rbaib |
|
25 |
22 24
|
syl6 |
|
26 |
25
|
adantld |
|
27 |
26
|
pm5.74d |
|
28 |
2 1
|
chub2i |
|
29 |
|
sstr |
|
30 |
28 29
|
mpan2 |
|
31 |
30
|
pm4.71ri |
|
32 |
31
|
anbi2i |
|
33 |
|
anass |
|
34 |
32 33
|
bitr4i |
|
35 |
34
|
imbi1i |
|
36 |
27 35
|
bitr3di |
|
37 |
|
impexp |
|
38 |
36 37
|
syl6bb |
|
39 |
38
|
ralbiia |
|
40 |
1 2
|
mdsl1i |
|
41 |
39 40
|
bitr2i |
|