Step |
Hyp |
Ref |
Expression |
1 |
|
quart.a |
|
2 |
|
quart.b |
|
3 |
|
quart.c |
|
4 |
|
quart.d |
|
5 |
|
quart.x |
|
6 |
|
quart.e |
|
7 |
|
quart.p |
|
8 |
|
quart.q |
|
9 |
|
quart.r |
|
10 |
|
quart.u |
|
11 |
|
quart.v |
|
12 |
|
quart.w |
|
13 |
|
quart.s |
|
14 |
|
quart.m |
|
15 |
|
quart.t |
|
16 |
|
quart.t0 |
|
17 |
|
quart.m0 |
|
18 |
|
quart.i |
|
19 |
|
quart.j |
|
20 |
1 2 3 4 1 6 7 8 9 10 11 12 13 14 15 16
|
quartlem3 |
|
21 |
20
|
simp2d |
|
22 |
21
|
sqrtcld |
|
23 |
|
2cnd |
|
24 |
21
|
sqsqrtd |
|
25 |
24 17
|
eqnetrd |
|
26 |
|
sqne0 |
|
27 |
22 26
|
syl |
|
28 |
25 27
|
mpbid |
|
29 |
|
2ne0 |
|
30 |
29
|
a1i |
|
31 |
22 23 28 30
|
divne0d |
|
32 |
13 31
|
eqnetrd |
|
33 |
20
|
simp1d |
|
34 |
33
|
sqcld |
|
35 |
34
|
negcld |
|
36 |
1 2 3 4 7 8 9
|
quart1cl |
|
37 |
36
|
simp1d |
|
38 |
37
|
halfcld |
|
39 |
35 38
|
subcld |
|
40 |
36
|
simp2d |
|
41 |
|
4cn |
|
42 |
41
|
a1i |
|
43 |
|
4ne0 |
|
44 |
43
|
a1i |
|
45 |
40 42 44
|
divcld |
|
46 |
45 33 32
|
divcld |
|
47 |
39 46
|
addcld |
|
48 |
47
|
sqrtcld |
|
49 |
18 48
|
eqeltrd |
|
50 |
39 46
|
subcld |
|
51 |
50
|
sqrtcld |
|
52 |
19 51
|
eqeltrd |
|
53 |
32 49 52
|
3jca |
|