Theorem psrbagconf1o 14845

Description: Bag complementation is a bijection on the set of bags dominated by a given bag F. (Contributed by Mario Carneiro, 29-Dec-2014.) Remove a sethood antecedent. (Revised by SN, 6-Aug-2024.)

Hypotheses

Ref	Expression
psrbag.d	|- D = { f e. ( NN0 ^m I ) | ( `' f " NN ) e. Fin }
psrbagconf1o.s	|- S = { y e. D | y oR <_ F }

Assertion

Ref	Expression
psrbagconf1o	|- ( F e. D -> ( x e. S |-> ( F oF - x ) ) : S -1-1-onto-> S )

Distinct variable groups:   f, F   f, I   x, D, y   x, F, y   x, I, f   x, S

Allowed substitution hints:   D( f)   S( y, f)   I( y)

Proof of Theorem psrbagconf1o

Dummy variables n z are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2234	. 2 |- ( x e. S |-> ( F oF - x ) ) = ( x e. S |-> ( F oF - x ) )
2		psrbag.d	. . 3 |- D = { f e. ( NN0 ^m I ) | ( `' f " NN ) e. Fin }
3		psrbagconf1o.s	. . 3 |- S = { y e. D | y oR <_ F }
4	2, 3	psrbagconcl 14844	. 2 |- ( ( F e. D /\ x e. S ) -> ( F oF - x ) e. S )
5	2, 3	psrbagconcl 14844	. 2 |- ( ( F e. D /\ z e. S ) -> ( F oF - z ) e. S )
6	2	psrbagf 14835	. . . . . . . . 9 |- ( F e. D -> F : I --> NN0 )
7	6	adantr 276	. . . . . . . 8 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> F : I --> NN0 )
8	7	ffvelcdmda 5814	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( F ` n ) e. NN0 )
9	3	ssrab3 3326	. . . . . . . . . . . 12 |- S C_ D
10	9	sseli 3236	. . . . . . . . . . 11 |- ( z e. S -> z e. D )
11	10	adantl 277	. . . . . . . . . 10 |- ( ( F e. D /\ z e. S ) -> z e. D )
12	2	psrbagf 14835	. . . . . . . . . 10 |- ( z e. D -> z : I --> NN0 )
13	11, 12	syl 14	. . . . . . . . 9 |- ( ( F e. D /\ z e. S ) -> z : I --> NN0 )
14	13	adantrl 478	. . . . . . . 8 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> z : I --> NN0 )
15	14	ffvelcdmda 5814	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( z ` n ) e. NN0 )
16		simprl 531	. . . . . . . . . 10 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> x e. S )
17	9, 16	sselid 3238	. . . . . . . . 9 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> x e. D )
18	2	psrbagf 14835	. . . . . . . . 9 |- ( x e. D -> x : I --> NN0 )
19	17, 18	syl 14	. . . . . . . 8 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> x : I --> NN0 )
20	19	ffvelcdmda 5814	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( x ` n ) e. NN0 )
21		nn0cn 9508	. . . . . . . 8 |- ( ( F ` n ) e. NN0 -> ( F ` n ) e. CC )
22		nn0cn 9508	. . . . . . . 8 |- ( ( z ` n ) e. NN0 -> ( z ` n ) e. CC )
23		nn0cn 9508	. . . . . . . 8 |- ( ( x ` n ) e. NN0 -> ( x ` n ) e. CC )
24		subsub23 8480	. . . . . . . 8 |- ( ( ( F ` n ) e. CC /\ ( z ` n ) e. CC /\ ( x ` n ) e. CC ) -> ( ( ( F ` n ) - ( z ` n ) ) = ( x ` n ) <-> ( ( F ` n ) - ( x ` n ) ) = ( z ` n ) ) )
25	21, 22, 23, 24	syl3an 1316	. . . . . . 7 |- ( ( ( F ` n ) e. NN0 /\ ( z ` n ) e. NN0 /\ ( x ` n ) e. NN0 ) -> ( ( ( F ` n ) - ( z ` n ) ) = ( x ` n ) <-> ( ( F ` n ) - ( x ` n ) ) = ( z ` n ) ) )
26	8, 15, 20, 25	syl3anc 1274	. . . . . 6 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( ( F ` n ) - ( z ` n ) ) = ( x ` n ) <-> ( ( F ` n ) - ( x ` n ) ) = ( z ` n ) ) )
27		eqcom 2236	. . . . . 6 |- ( ( x ` n ) = ( ( F ` n ) - ( z ` n ) ) <-> ( ( F ` n ) - ( z ` n ) ) = ( x ` n ) )
28		eqcom 2236	. . . . . 6 |- ( ( z ` n ) = ( ( F ` n ) - ( x ` n ) ) <-> ( ( F ` n ) - ( x ` n ) ) = ( z ` n ) )
29	26, 27, 28	3bitr4g 223	. . . . 5 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( x ` n ) = ( ( F ` n ) - ( z ` n ) ) <-> ( z ` n ) = ( ( F ` n ) - ( x ` n ) ) ) )
30	6	ffnd 5511	. . . . . . . 8 |- ( F e. D -> F Fn I )
31	30	adantr 276	. . . . . . 7 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> F Fn I )
32	13	ffnd 5511	. . . . . . . 8 |- ( ( F e. D /\ z e. S ) -> z Fn I )
33	32	adantrl 478	. . . . . . 7 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> z Fn I )
34	19	ffnd 5511	. . . . . . . 8 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> x Fn I )
35	16, 34	fndmexd 5558	. . . . . . 7 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> I e. _V )
36		inidm 3432	. . . . . . 7 |- ( I i^i I ) = I
37		eqidd 2235	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( F ` n ) = ( F ` n ) )
38		eqidd 2235	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( z ` n ) = ( z ` n ) )
39	8	nn0zd 9701	. . . . . . . 8 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( F ` n ) e. ZZ )
40	15	nn0zd 9701	. . . . . . . 8 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( z ` n ) e. ZZ )
41	39, 40	zsubcld 9708	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( F ` n ) - ( z ` n ) ) e. ZZ )
42	31, 33, 35, 35, 36, 37, 38, 41	ofvalg 6278	. . . . . 6 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( F oF - z ) ` n ) = ( ( F ` n ) - ( z ` n ) ) )
43	42	eqeq2d 2246	. . . . 5 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( x ` n ) = ( ( F oF - z ) ` n ) <-> ( x ` n ) = ( ( F ` n ) - ( z ` n ) ) ) )
44		eqidd 2235	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( x ` n ) = ( x ` n ) )
45	20	nn0zd 9701	. . . . . . . 8 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( x ` n ) e. ZZ )
46	39, 45	zsubcld 9708	. . . . . . 7 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( F ` n ) - ( x ` n ) ) e. ZZ )
47	31, 34, 35, 35, 36, 37, 44, 46	ofvalg 6278	. . . . . 6 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( F oF - x ) ` n ) = ( ( F ` n ) - ( x ` n ) ) )
48	47	eqeq2d 2246	. . . . 5 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( z ` n ) = ( ( F oF - x ) ` n ) <-> ( z ` n ) = ( ( F ` n ) - ( x ` n ) ) ) )
49	29, 43, 48	3bitr4d 220	. . . 4 |- ( ( ( F e. D /\ ( x e. S /\ z e. S ) ) /\ n e. I ) -> ( ( x ` n ) = ( ( F oF - z ) ` n ) <-> ( z ` n ) = ( ( F oF - x ) ` n ) ) )
50	49	ralbidva 2540	. . 3 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( A. n e. I ( x ` n ) = ( ( F oF - z ) ` n ) <-> A. n e. I ( z ` n ) = ( ( F oF - x ) ` n ) ) )
51	5	adantrl 478	. . . . . . 7 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( F oF - z ) e. S )
52	9, 51	sselid 3238	. . . . . 6 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( F oF - z ) e. D )
53	2	psrbagf 14835	. . . . . 6 |- ( ( F oF - z ) e. D -> ( F oF - z ) : I --> NN0 )
54	52, 53	syl 14	. . . . 5 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( F oF - z ) : I --> NN0 )
55	54	ffnd 5511	. . . 4 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( F oF - z ) Fn I )
56		eqfnfv 5777	. . . 4 |- ( ( x Fn I /\ ( F oF - z ) Fn I ) -> ( x = ( F oF - z ) <-> A. n e. I ( x ` n ) = ( ( F oF - z ) ` n ) ) )
57	34, 55, 56	syl2anc 411	. . 3 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( x = ( F oF - z ) <-> A. n e. I ( x ` n ) = ( ( F oF - z ) ` n ) ) )
58	9, 4	sselid 3238	. . . . . . 7 |- ( ( F e. D /\ x e. S ) -> ( F oF - x ) e. D )
59	2	psrbagf 14835	. . . . . . 7 |- ( ( F oF - x ) e. D -> ( F oF - x ) : I --> NN0 )
60	58, 59	syl 14	. . . . . 6 |- ( ( F e. D /\ x e. S ) -> ( F oF - x ) : I --> NN0 )
61	60	ffnd 5511	. . . . 5 |- ( ( F e. D /\ x e. S ) -> ( F oF - x ) Fn I )
62	61	adantrr 479	. . . 4 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( F oF - x ) Fn I )
63		eqfnfv 5777	. . . 4 |- ( ( z Fn I /\ ( F oF - x ) Fn I ) -> ( z = ( F oF - x ) <-> A. n e. I ( z ` n ) = ( ( F oF - x ) ` n ) ) )
64	33, 62, 63	syl2anc 411	. . 3 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( z = ( F oF - x ) <-> A. n e. I ( z ` n ) = ( ( F oF - x ) ` n ) ) )
65	50, 57, 64	3bitr4d 220	. 2 |- ( ( F e. D /\ ( x e. S /\ z e. S ) ) -> ( x = ( F oF - z ) <-> z = ( F oF - x ) ) )
66	1, 4, 5, 65	f1o2d 6262	1 |- ( F e. D -> ( x e. S |-> ( F oF - x ) ) : S -1-1-onto-> S )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1398   e. wcel 2205   A.wral 2522   {crab 2526   _Vcvv 2815   class class class wbr 4111   |-> cmpt 4173   `'ccnv 4750   "cima 4754   Fn wfn 5349   -->wf 5350   -1-1-onto->wf1o 5353   ` cfv 5354  (class class class)co 6052   oFcof 6266   oRcofr 6267   ^m cmap 6884   Fincfn 6977   CCcc 8127   <_ cle 8311   - cmin 8446   NNcn 9239   NN0cn0 9498   ZZcz 9579

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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4227  ax-sep 4230  ax-nul 4238  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-iinf 4712  ax-cnex 8220  ax-resscn 8221  ax-1cn 8222  ax-1re 8223  ax-icn 8224  ax-addcl 8225  ax-addrcl 8226  ax-mulcl 8227  ax-addcom 8229  ax-addass 8231  ax-distr 8233  ax-i2m1 8234  ax-0lt1 8235  ax-0id 8237  ax-rnegex 8238  ax-cnre 8240  ax-pre-ltirr 8241  ax-pre-ltwlin 8242  ax-pre-lttrn 8243  ax-pre-ltadd 8245

This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-nul 3511  df-if 3623  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-iun 3995  df-br 4112  df-opab 4174  df-mpt 4175  df-tr 4211  df-id 4416  df-iord 4489  df-on 4491  df-suc 4494  df-iom 4715  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-ima 4764  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-fo 5360  df-f1o 5361  df-fv 5362  df-riota 6005  df-ov 6055  df-oprab 6056  df-mpo 6057  df-of 6268  df-ofr 6269  df-1o 6649  df-er 6769  df-map 6886  df-en 6978  df-fin 6980  df-pnf 8312  df-mnf 8313  df-xr 8314  df-ltxr 8315  df-le 8316  df-sub 8448  df-neg 8449  df-inn 9240  df-n0 9499  df-z 9580  df-uz 9857

This theorem is referenced by: (None)