Step |
Hyp |
Ref |
Expression |
1 |
|
eulerpart.p |
|
2 |
|
eulerpart.o |
|
3 |
|
eulerpart.d |
|
4 |
|
fveq1 |
|
5 |
4
|
breq1d |
|
6 |
5
|
ralbidv |
|
7 |
6 3
|
elrab2 |
|
8 |
|
2z |
|
9 |
|
fzoval |
|
10 |
8 9
|
ax-mp |
|
11 |
|
fzo0to2pr |
|
12 |
|
2m1e1 |
|
13 |
12
|
oveq2i |
|
14 |
10 11 13
|
3eqtr3i |
|
15 |
14
|
eleq2i |
|
16 |
1
|
eulerpartleme |
|
17 |
16
|
simp1bi |
|
18 |
17
|
ffvelrnda |
|
19 |
|
1nn0 |
|
20 |
|
elfz2nn0 |
|
21 |
|
df-3an |
|
22 |
20 21
|
bitri |
|
23 |
22
|
baib |
|
24 |
18 19 23
|
sylancl |
|
25 |
15 24
|
syl5rbb |
|
26 |
25
|
ralbidva |
|
27 |
17
|
ffund |
|
28 |
|
fdm |
|
29 |
|
eqimss2 |
|
30 |
17 28 29
|
3syl |
|
31 |
|
funimass4 |
|
32 |
27 30 31
|
syl2anc |
|
33 |
26 32
|
bitr4d |
|
34 |
33
|
pm5.32i |
|
35 |
7 34
|
bitri |
|