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| Mirrors > Home > ILE Home > Th. List > df-cnp | Unicode version | ||
| Description: Define a function on two topologies whose value is the set of continuous mappings at a specified point in the first topology. Based on Theorem 7.2(g) of [Munkres] p. 107. (Contributed by NM, 17-Oct-2006.) | 
| Ref | Expression | 
|---|---|
| df-cnp | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ccnp 14422 | 
. 2
 | |
| 2 | vj | 
. . 3
 | |
| 3 | vk | 
. . 3
 | |
| 4 | ctop 14233 | 
. . 3
 | |
| 5 | vx | 
. . . 4
 | |
| 6 | 2 | cv 1363 | 
. . . . 5
 | 
| 7 | 6 | cuni 3839 | 
. . . 4
 | 
| 8 | 5 | cv 1363 | 
. . . . . . . . 9
 | 
| 9 | vf | 
. . . . . . . . . 10
 | |
| 10 | 9 | cv 1363 | 
. . . . . . . . 9
 | 
| 11 | 8, 10 | cfv 5258 | 
. . . . . . . 8
 | 
| 12 | vy | 
. . . . . . . . 9
 | |
| 13 | 12 | cv 1363 | 
. . . . . . . 8
 | 
| 14 | 11, 13 | wcel 2167 | 
. . . . . . 7
 | 
| 15 | vg | 
. . . . . . . . . 10
 | |
| 16 | 5, 15 | wel 2168 | 
. . . . . . . . 9
 | 
| 17 | 15 | cv 1363 | 
. . . . . . . . . . 11
 | 
| 18 | 10, 17 | cima 4666 | 
. . . . . . . . . 10
 | 
| 19 | 18, 13 | wss 3157 | 
. . . . . . . . 9
 | 
| 20 | 16, 19 | wa 104 | 
. . . . . . . 8
 | 
| 21 | 20, 15, 6 | wrex 2476 | 
. . . . . . 7
 | 
| 22 | 14, 21 | wi 4 | 
. . . . . 6
 | 
| 23 | 3 | cv 1363 | 
. . . . . 6
 | 
| 24 | 22, 12, 23 | wral 2475 | 
. . . . 5
 | 
| 25 | 23 | cuni 3839 | 
. . . . . 6
 | 
| 26 | cmap 6707 | 
. . . . . 6
 | |
| 27 | 25, 7, 26 | co 5922 | 
. . . . 5
 | 
| 28 | 24, 9, 27 | crab 2479 | 
. . . 4
 | 
| 29 | 5, 7, 28 | cmpt 4094 | 
. . 3
 | 
| 30 | 2, 3, 4, 4, 29 | cmpo 5924 | 
. 2
 | 
| 31 | 1, 30 | wceq 1364 | 
1
 | 
| Colors of variables: wff set class | 
| This definition is referenced by: cnpfval 14431 cnprcl2k 14442 | 
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