Description: Lemma for taylpfval and similar theorems. (Contributed by Mario Carneiro, 31-Dec-2016)
Ref | Expression | ||
---|---|---|---|
Hypotheses | taylpfval.s | |
|
taylpfval.f | |
||
taylpfval.a | |
||
taylpfval.n | |
||
taylpfval.b | |
||
Assertion | taylplem2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | taylpfval.s | |
|
2 | taylpfval.f | |
|
3 | taylpfval.a | |
|
4 | taylpfval.n | |
|
5 | taylpfval.b | |
|
6 | 0z | |
|
7 | 4 | nn0zd | |
8 | fzval2 | |
|
9 | 6 7 8 | sylancr | |
10 | 9 | eleq2d | |
11 | 10 | adantr | |
12 | 11 | biimpa | |
13 | 4 | orcd | |
14 | 1 2 3 4 5 | taylplem1 | |
15 | 1 2 3 13 14 | taylfvallem1 | |
16 | 12 15 | syldan | |