Step |
Hyp |
Ref |
Expression |
1 |
|
eliccnelico.1 |
|
2 |
|
eliccnelico.b |
|
3 |
|
eliccnelico.c |
|
4 |
|
eliccnelico.nel |
|
5 |
|
eliccxr |
|
6 |
3 5
|
syl |
|
7 |
|
iccleub |
|
8 |
1 2 3 7
|
syl3anc |
|
9 |
1
|
adantr |
|
10 |
2
|
adantr |
|
11 |
6
|
adantr |
|
12 |
|
iccgelb |
|
13 |
1 2 3 12
|
syl3anc |
|
14 |
13
|
adantr |
|
15 |
|
simpr |
|
16 |
|
xrltnle |
|
17 |
6 2 16
|
syl2anc |
|
18 |
17
|
adantr |
|
19 |
15 18
|
mpbird |
|
20 |
9 10 11 14 19
|
elicod |
|
21 |
4
|
adantr |
|
22 |
20 21
|
condan |
|
23 |
6 2 8 22
|
xrletrid |
|