Description: The composition of a curried function with a one-arg function is continuous. (Contributed by Mario Carneiro, 23-Mar-2015)
Ref | Expression | ||
---|---|---|---|
Hypotheses | cnmptk1.j | |
|
cnmptk1.k | |
||
cnmptk1.l | |
||
cnmptk1.a | |
||
cnmptk1.b | |
||
cnmptk1.c | |
||
Assertion | cnmptk1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnmptk1.j | |
|
2 | cnmptk1.k | |
|
3 | cnmptk1.l | |
|
4 | cnmptk1.a | |
|
5 | cnmptk1.b | |
|
6 | cnmptk1.c | |
|
7 | 2 | adantr | |
8 | 3 | adantr | |
9 | topontop | |
|
10 | 2 9 | syl | |
11 | topontop | |
|
12 | 3 11 | syl | |
13 | eqid | |
|
14 | 13 | xkotopon | |
15 | 10 12 14 | syl2anc | |
16 | cnf2 | |
|
17 | 1 15 4 16 | syl3anc | |
18 | 17 | fvmptelcdm | |
19 | cnf2 | |
|
20 | 7 8 18 19 | syl3anc | |
21 | eqid | |
|
22 | 21 | fmpt | |
23 | 20 22 | sylibr | |
24 | eqidd | |
|
25 | eqidd | |
|
26 | 23 24 25 6 | fmptcof | |
27 | 26 | mpteq2dva | |
28 | 10 5 | xkoco2cn | |
29 | coeq2 | |
|
30 | 1 4 15 28 29 | cnmpt11 | |
31 | 27 30 | eqeltrrd | |