Theorem isomnimap 7203

Description: The predicate of being omniscient stated in terms of set exponentiation. (Contributed by Jim Kingdon, 13-Jul-2022.)

Assertion

Ref	Expression
isomnimap	|- ( A e. V -> ( A e. Omni <-> A. f e. ( 2o ^m A ) ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) )

Distinct variable groups:   A, f, x   f, V

Allowed substitution hint:   V( x)

Proof of Theorem isomnimap

Step	Hyp	Ref	Expression
1		isomni 7202	. . 3 |- ( A e. V -> ( A e. Omni <-> A. f ( f : A --> 2o -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) ) )
2		2onn 6579	. . . . . 6 |- 2o e. om
3		elmapg 6720	. . . . . 6 |- ( ( 2o e. om /\ A e. V ) -> ( f e. ( 2o ^m A ) <-> f : A --> 2o ) )
4	2, 3	mpan 424	. . . . 5 |- ( A e. V -> ( f e. ( 2o ^m A ) <-> f : A --> 2o ) )
5	4	imbi1d 231	. . . 4 |- ( A e. V -> ( ( f e. ( 2o ^m A ) -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) <-> ( f : A --> 2o -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) ) )
6	5	albidv 1838	. . 3 |- ( A e. V -> ( A. f ( f e. ( 2o ^m A ) -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) <-> A. f ( f : A --> 2o -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) ) )
7	1, 6	bitr4d 191	. 2 |- ( A e. V -> ( A e. Omni <-> A. f ( f e. ( 2o ^m A ) -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) ) )
8		df-ral 2480	. 2 |- ( A. f e. ( 2o ^m A ) ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) <-> A. f ( f e. ( 2o ^m A ) -> ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) )
9	7, 8	bitr4di 198	1 |- ( A e. V -> ( A e. Omni <-> A. f e. ( 2o ^m A ) ( E. x e. A ( f ` x ) = (/) \/ A. x e. A ( f ` x ) = 1o ) ) )

Syntax hints:   -> wi 4   <-> wb 105   \/ wo 709   A.wal 1362   = wceq 1364   e. wcel 2167   A.wral 2475   E.wrex 2476   (/)c0 3450   omcom 4626   -->wf 5254   ` cfv 5258  (class class class)co 5922   1oc1o 6467   2oc2o 6468   ^m cmap 6707  Omnicomni 7200

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 615  ax-in2 616  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-13 2169  ax-14 2170  ax-ext 2178  ax-sep 4151  ax-nul 4159  ax-pow 4207  ax-pr 4242  ax-un 4468  ax-setind 4573

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1475  df-sb 1777  df-eu 2048  df-mo 2049  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ne 2368  df-ral 2480  df-rex 2481  df-v 2765  df-sbc 2990  df-dif 3159  df-un 3161  df-in 3163  df-ss 3170  df-nul 3451  df-pw 3607  df-sn 3628  df-pr 3629  df-op 3631  df-uni 3840  df-int 3875  df-br 4034  df-opab 4095  df-id 4328  df-suc 4406  df-iom 4627  df-xp 4669  df-rel 4670  df-cnv 4671  df-co 4672  df-dm 4673  df-rn 4674  df-iota 5219  df-fun 5260  df-fn 5261  df-f 5262  df-fv 5266  df-ov 5925  df-oprab 5926  df-mpo 5927  df-1o 6474  df-2o 6475  df-map 6709  df-omni 7201

This theorem is referenced by:  enomnilem  7204  fodjuomnilemres  7214  nninfomnilem  15662  isomninnlem  15674