Step |
Hyp |
Ref |
Expression |
1 |
|
elznn0 |
|
2 |
|
simplll |
|
3 |
|
simpllr |
|
4 |
|
simpr |
|
5 |
|
pell14qrexpclnn0 |
|
6 |
2 3 4 5
|
syl3anc |
|
7 |
|
pell14qrre |
|
8 |
7
|
recnd |
|
9 |
8
|
ad2antrr |
|
10 |
|
simplr |
|
11 |
10
|
recnd |
|
12 |
|
simpr |
|
13 |
|
expneg2 |
|
14 |
9 11 12 13
|
syl3anc |
|
15 |
|
simplll |
|
16 |
|
simpllr |
|
17 |
|
pell14qrexpclnn0 |
|
18 |
15 16 12 17
|
syl3anc |
|
19 |
|
pell14qrreccl |
|
20 |
15 18 19
|
syl2anc |
|
21 |
14 20
|
eqeltrd |
|
22 |
6 21
|
jaodan |
|
23 |
22
|
expl |
|
24 |
1 23
|
syl5bi |
|
25 |
24
|
3impia |
|