Step |
Hyp |
Ref |
Expression |
1 |
|
pmtridf1o.a |
|
2 |
|
pmtridf1o.x |
|
3 |
|
pmtridf1o.y |
|
4 |
|
pmtridf1o.t |
|
5 |
|
simpr |
|
6 |
5
|
iftrued |
|
7 |
4 6
|
syl5eq |
|
8 |
7
|
fveq1d |
|
9 |
|
fvresi |
|
10 |
2 9
|
syl |
|
11 |
10
|
adantr |
|
12 |
8 11 5
|
3eqtrd |
|
13 |
|
simpr |
|
14 |
13
|
neneqd |
|
15 |
14
|
iffalsed |
|
16 |
4 15
|
syl5eq |
|
17 |
16
|
fveq1d |
|
18 |
1
|
adantr |
|
19 |
2
|
adantr |
|
20 |
3
|
adantr |
|
21 |
|
eqid |
|
22 |
21
|
pmtrprfv |
|
23 |
18 19 20 13 22
|
syl13anc |
|
24 |
17 23
|
eqtrd |
|
25 |
12 24
|
pm2.61dane |
|