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Theorem cnsscnp 12879
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 12878 . . 3  |-  ( ( f  e.  ( J  Cn  K )  /\  P  e.  X )  ->  f  e.  ( ( J  CnP  K ) `
 P ) )
32expcom 115 . 2  |-  ( P  e.  X  ->  (
f  e.  ( J  Cn  K )  -> 
f  e.  ( ( J  CnP  K ) `
 P ) ) )
43ssrdv 3148 1  |-  ( P  e.  X  ->  ( J  Cn  K )  C_  ( ( J  CnP  K ) `  P ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1343    e. wcel 2136    C_ wss 3116   U.cuni 3789   ` cfv 5188  (class class class)co 5842    Cn ccn 12835    CnP ccnp 12836
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-13 2138  ax-14 2139  ax-ext 2147  ax-sep 4100  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-ral 2449  df-rex 2450  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-id 4271  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-fv 5196  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-map 6616  df-top 12646  df-topon 12659  df-cn 12838  df-cnp 12839
This theorem is referenced by: (None)
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