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Theorem ixpssmapg 15726
Description: An infinite Cartesian product is a subset of set exponentiation.
Assertion
Ref Expression
ixpssmapg |- ((A e. C /\ A.x e. A B e. D) -> X_x e. A B C_ (U_x e. A B ^m A))
Distinct variable group:   x,A

Proof of Theorem ixpssmapg
StepHypRef Expression
1 iunexg 4838 . . . 4 |- ((A e. C /\ A.x e. A B e. D) -> U_x e. A B e. _V)
2 simpl 346 . . . 4 |- ((A e. C /\ A.x e. A B e. D) -> A e. C)
3 elmapg 5392 . . . 4 |- ((U_x e. A B e. _V /\ A e. C) -> (f e. (U_x e. A B ^m A) <-> f:A-->U_x e. A B))
41, 2, 3syl11anc 524 . . 3 |- ((A e. C /\ A.x e. A B e. D) -> (f e. (U_x e. A B ^m A) <-> f:A-->U_x e. A B))
5 ixpf 5415 . . 3 |- (f e. X_x e. A B -> f:A-->U_x e. A B)
64, 5syl5bir 227 . 2 |- ((A e. C /\ A.x e. A B e. D) -> (f e. X_x e. A B -> f e. (U_x e. A B ^m A)))
76ssrdv 2622 1 |- ((A e. C /\ A.x e. A B e. D) -> X_x e. A B C_ (U_x e. A B ^m A))
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 163   /\ wa 240   e. wcel 1300  A.wral 2105  _Vcvv 2292   C_ wss 2593  U_ciun 3255  -->wf 3994  (class class class)co 4884   ^m cmap 5381  X_cixp 5406
This theorem is referenced by:  ixpfi 15728
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 1304  ax-gen 1305  ax-8 1306  ax-9 1307  ax-10 1308  ax-11 1309  ax-12 1310  ax-13 1311  ax-14 1312  ax-17 1317  ax-4 1319  ax-5o 1321  ax-6o 1324  ax-9o 1481  ax-10o 1500  ax-16 1580  ax-11o 1588  ax-ext 1865  ax-rep 3428  ax-sep 3438  ax-nul 3445  ax-pow 3481  ax-pr 3524  ax-un 3790
This theorem depends on definitions:  df-bi 164  df-or 241  df-an 242  df-3an 860  df-ex 1327  df-sb 1536  df-eu 1775  df-mo 1776  df-clab 1872  df-cleq 1877  df-clel 1880  df-ne 2019  df-ral 2109  df-rex 2110  df-rab 2112  df-v 2294  df-sbc 2454  df-csb 2541  df-dif 2597  df-un 2600  df-in 2603  df-ss 2605  df-nul 2876  df-pw 3035  df-sn 3049  df-pr 3050  df-op 3053  df-uni 3178  df-iun 3257  df-br 3339  df-opab 3396  df-id 3586  df-xp 4000  df-rel 4001  df-cnv 4002  df-co 4003  df-dm 4004  df-rn 4005  df-res 4006  df-ima 4007  df-fun 4008  df-fn 4009  df-f 4010  df-fv 4014  df-opr 4886  df-oprab 4887  df-map 5383  df-ixp 5407
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