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Theorem cnsscnp 13396
Description: The set of continuous functions is a subset of the set of continuous functions at a point. (Contributed by Raph Levien, 21-Oct-2006.) (Revised by Mario Carneiro, 21-Aug-2015.)
Hypothesis
Ref Expression
cnsscnp.1  |-  X  = 
U. J
Assertion
Ref Expression
cnsscnp  |-  ( P  e.  X  ->  ( J  Cn  K )  C_  ( ( J  CnP  K ) `  P ) )

Proof of Theorem cnsscnp
Dummy variable  f is distinct from all other variables.
StepHypRef Expression
1 cnsscnp.1 . . . 4  |-  X  = 
U. J
21cncnpi 13395 . . 3  |-  ( ( f  e.  ( J  Cn  K )  /\  P  e.  X )  ->  f  e.  ( ( J  CnP  K ) `
 P ) )
32expcom 116 . 2  |-  ( P  e.  X  ->  (
f  e.  ( J  Cn  K )  -> 
f  e.  ( ( J  CnP  K ) `
 P ) ) )
43ssrdv 3161 1  |-  ( P  e.  X  ->  ( J  Cn  K )  C_  ( ( J  CnP  K ) `  P ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1353    e. wcel 2148    C_ wss 3129   U.cuni 3807   ` cfv 5212  (class class class)co 5869    Cn ccn 13352    CnP ccnp 13353
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-sep 4118  ax-pow 4171  ax-pr 4206  ax-un 4430  ax-setind 4533
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-ral 2460  df-rex 2461  df-rab 2464  df-v 2739  df-sbc 2963  df-csb 3058  df-dif 3131  df-un 3133  df-in 3135  df-ss 3142  df-pw 3576  df-sn 3597  df-pr 3598  df-op 3600  df-uni 3808  df-iun 3886  df-br 4001  df-opab 4062  df-mpt 4063  df-id 4290  df-xp 4629  df-rel 4630  df-cnv 4631  df-co 4632  df-dm 4633  df-rn 4634  df-res 4635  df-ima 4636  df-iota 5174  df-fun 5214  df-fn 5215  df-f 5216  df-fv 5220  df-ov 5872  df-oprab 5873  df-mpo 5874  df-1st 6135  df-2nd 6136  df-map 6644  df-top 13163  df-topon 13176  df-cn 13355  df-cnp 13356
This theorem is referenced by: (None)
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