ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  iseqf1olemmo Unicode version

Theorem iseqf1olemmo 10766
Description: Lemma for seq3f1o 10778. Showing that  Q is one-to-one. (Contributed by Jim Kingdon, 27-Aug-2022.)
Hypotheses
Ref Expression
iseqf1olemqf.k  |-  ( ph  ->  K  e.  ( M ... N ) )
iseqf1olemqf.j  |-  ( ph  ->  J : ( M ... N ) -1-1-onto-> ( M ... N ) )
iseqf1olemqf.q  |-  Q  =  ( u  e.  ( M ... N ) 
|->  if ( u  e.  ( K ... ( `' J `  K ) ) ,  if ( u  =  K ,  K ,  ( J `  ( u  -  1 ) ) ) ,  ( J `  u
) ) )
iseqf1olemmo.a  |-  ( ph  ->  A  e.  ( M ... N ) )
iseqf1olemmo.b  |-  ( ph  ->  B  e.  ( M ... N ) )
iseqf1olemmo.eq  |-  ( ph  ->  ( Q `  A
)  =  ( Q `
 B ) )
Assertion
Ref Expression
iseqf1olemmo  |-  ( ph  ->  A  =  B )
Distinct variable groups:    u, A    u, B    u, J    u, K    u, M    u, N
Allowed substitution hints:    ph( u)    Q( u)

Proof of Theorem iseqf1olemmo
StepHypRef Expression
1 iseqf1olemqf.k . . . . 5  |-  ( ph  ->  K  e.  ( M ... N ) )
21ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  K  e.  ( M ... N
) )
3 iseqf1olemqf.j . . . . 5  |-  ( ph  ->  J : ( M ... N ) -1-1-onto-> ( M ... N ) )
43ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  J : ( M ... N ) -1-1-onto-> ( M ... N
) )
5 iseqf1olemmo.a . . . . 5  |-  ( ph  ->  A  e.  ( M ... N ) )
65ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( M ... N
) )
7 iseqf1olemmo.b . . . . 5  |-  ( ph  ->  B  e.  ( M ... N ) )
87ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( M ... N
) )
9 iseqf1olemmo.eq . . . . 5  |-  ( ph  ->  ( Q `  A
)  =  ( Q `
 B ) )
109ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( Q `  A )  =  ( Q `  B ) )
11 iseqf1olemqf.q . . . 4  |-  Q  =  ( u  e.  ( M ... N ) 
|->  if ( u  e.  ( K ... ( `' J `  K ) ) ,  if ( u  =  K ,  K ,  ( J `  ( u  -  1 ) ) ) ,  ( J `  u
) ) )
12 simplr 529 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( K ... ( `' J `  K ) ) )
13 simpr 110 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( K ... ( `' J `  K ) ) )
142, 4, 6, 8, 10, 11, 12, 13iseqf1olemab 10763 . . 3  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
15 simplr 529 . . . . 5  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( K ... ( `' J `  K ) ) )
16 simpr 110 . . . . 5  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  B  e.  ( K ... ( `' J `  K ) ) )
1715, 16jca 306 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
181, 3, 5, 7, 9, 11iseqf1olemnab 10762 . . . . 5  |-  ( ph  ->  -.  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
1918ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
2017, 19pm2.21dd 625 . . 3  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
21 elfzelz 10259 . . . . . . 7  |-  ( B  e.  ( M ... N )  ->  B  e.  ZZ )
227, 21syl 14 . . . . . 6  |-  ( ph  ->  B  e.  ZZ )
23 elfzelz 10259 . . . . . . 7  |-  ( K  e.  ( M ... N )  ->  K  e.  ZZ )
241, 23syl 14 . . . . . 6  |-  ( ph  ->  K  e.  ZZ )
25 f1ocnv 5596 . . . . . . . . 9  |-  ( J : ( M ... N ) -1-1-onto-> ( M ... N
)  ->  `' J : ( M ... N ) -1-1-onto-> ( M ... N
) )
26 f1of 5583 . . . . . . . . 9  |-  ( `' J : ( M ... N ) -1-1-onto-> ( M ... N )  ->  `' J : ( M ... N ) --> ( M ... N ) )
273, 25, 263syl 17 . . . . . . . 8  |-  ( ph  ->  `' J : ( M ... N ) --> ( M ... N ) )
2827, 1ffvelcdmd 5783 . . . . . . 7  |-  ( ph  ->  ( `' J `  K )  e.  ( M ... N ) )
29 elfzelz 10259 . . . . . . 7  |-  ( ( `' J `  K )  e.  ( M ... N )  ->  ( `' J `  K )  e.  ZZ )
3028, 29syl 14 . . . . . 6  |-  ( ph  ->  ( `' J `  K )  e.  ZZ )
31 fzdcel 10274 . . . . . 6  |-  ( ( B  e.  ZZ  /\  K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ )  -> DECID  B  e.  ( K ... ( `' J `  K ) ) )
3222, 24, 30, 31syl3anc 1273 . . . . 5  |-  ( ph  -> DECID  B  e.  ( K ... ( `' J `  K ) ) )
33 exmiddc 843 . . . . 5  |-  (DECID  B  e.  ( K ... ( `' J `  K ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
3432, 33syl 14 . . . 4  |-  ( ph  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
3534adantr 276 . . 3  |-  ( (
ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/ 
-.  B  e.  ( K ... ( `' J `  K ) ) ) )
3614, 20, 35mpjaodan 805 . 2  |-  ( (
ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
37 simpr 110 . . . . 5  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( K ... ( `' J `  K ) ) )
38 simplr 529 . . . . 5  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  A  e.  ( K ... ( `' J `  K ) ) )
3937, 38jca 306 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  /\  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
409eqcomd 2237 . . . . . 6  |-  ( ph  ->  ( Q `  B
)  =  ( Q `
 A ) )
411, 3, 7, 5, 40, 11iseqf1olemnab 10762 . . . . 5  |-  ( ph  ->  -.  ( B  e.  ( K ... ( `' J `  K ) )  /\  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
4241ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  ( B  e.  ( K ... ( `' J `  K ) )  /\  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
4339, 42pm2.21dd 625 . . 3  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
441ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  K  e.  ( M ... N
) )
453ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  J : ( M ... N ) -1-1-onto-> ( M ... N
) )
465ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( M ... N
) )
477ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( M ... N
) )
489ad2antrr 488 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( Q `  A )  =  ( Q `  B ) )
49 simplr 529 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  A  e.  ( K ... ( `' J `  K ) ) )
50 simpr 110 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  B  e.  ( K ... ( `' J `  K ) ) )
5144, 45, 46, 47, 48, 11, 49, 50iseqf1olemnanb 10764 . . 3  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
5234adantr 276 . . 3  |-  ( (
ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/ 
-.  B  e.  ( K ... ( `' J `  K ) ) ) )
5343, 51, 52mpjaodan 805 . 2  |-  ( (
ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
54 elfzelz 10259 . . . . 5  |-  ( A  e.  ( M ... N )  ->  A  e.  ZZ )
555, 54syl 14 . . . 4  |-  ( ph  ->  A  e.  ZZ )
56 fzdcel 10274 . . . 4  |-  ( ( A  e.  ZZ  /\  K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ )  -> DECID  A  e.  ( K ... ( `' J `  K ) ) )
5755, 24, 30, 56syl3anc 1273 . . 3  |-  ( ph  -> DECID  A  e.  ( K ... ( `' J `  K ) ) )
58 exmiddc 843 . . 3  |-  (DECID  A  e.  ( K ... ( `' J `  K ) )  ->  ( A  e.  ( K ... ( `' J `  K ) )  \/  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
5957, 58syl 14 . 2  |-  ( ph  ->  ( A  e.  ( K ... ( `' J `  K ) )  \/  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
6036, 53, 59mpjaodan 805 1  |-  ( ph  ->  A  =  B )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 104    \/ wo 715  DECID wdc 841    = wceq 1397    e. wcel 2202   ifcif 3605    |-> cmpt 4150   `'ccnv 4724   -->wf 5322   -1-1-onto->wf1o 5325   ` cfv 5326  (class class class)co 6017   1c1 8032    - cmin 8349   ZZcz 9478   ...cfz 10242
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-addcom 8131  ax-addass 8133  ax-distr 8135  ax-i2m1 8136  ax-0lt1 8137  ax-0id 8139  ax-rnegex 8140  ax-cnre 8142  ax-pre-ltirr 8143  ax-pre-ltwlin 8144  ax-pre-lttrn 8145  ax-pre-ltadd 8147
This theorem depends on definitions:  df-bi 117  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219  df-sub 8351  df-neg 8352  df-inn 9143  df-n0 9402  df-z 9479  df-uz 9755  df-fz 10243
This theorem is referenced by:  iseqf1olemqf1o  10767
  Copyright terms: Public domain W3C validator