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Theorem iseqf1olemmo 10265
Description: Lemma for seq3f1o 10277. 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 479 . . . 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 479 . . . 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 479 . . . 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 479 . . . 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 479 . . . 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 519 . . . 4  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( K ... ( `' J `  K ) ) )
13 simpr 109 . . . 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 10262 . . 3  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
15 simplr 519 . . . . 5  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( K ... ( `' J `  K ) ) )
16 simpr 109 . . . . 5  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  B  e.  ( K ... ( `' J `  K ) ) )
1715, 16jca 304 . . . 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 10261 . . . . 5  |-  ( ph  ->  -.  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
1918ad2antrr 479 . . . 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 609 . . 3  |-  ( ( ( ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
21 elfzelz 9806 . . . . . . 7  |-  ( B  e.  ( M ... N )  ->  B  e.  ZZ )
227, 21syl 14 . . . . . 6  |-  ( ph  ->  B  e.  ZZ )
23 elfzelz 9806 . . . . . . 7  |-  ( K  e.  ( M ... N )  ->  K  e.  ZZ )
241, 23syl 14 . . . . . 6  |-  ( ph  ->  K  e.  ZZ )
25 f1ocnv 5380 . . . . . . . . 9  |-  ( J : ( M ... N ) -1-1-onto-> ( M ... N
)  ->  `' J : ( M ... N ) -1-1-onto-> ( M ... N
) )
26 f1of 5367 . . . . . . . . 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, 1ffvelrnd 5556 . . . . . . 7  |-  ( ph  ->  ( `' J `  K )  e.  ( M ... N ) )
29 elfzelz 9806 . . . . . . 7  |-  ( ( `' J `  K )  e.  ( M ... N )  ->  ( `' J `  K )  e.  ZZ )
3028, 29syl 14 . . . . . 6  |-  ( ph  ->  ( `' J `  K )  e.  ZZ )
31 fzdcel 9820 . . . . . 6  |-  ( ( B  e.  ZZ  /\  K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ )  -> DECID  B  e.  ( K ... ( `' J `  K ) ) )
3222, 24, 30, 31syl3anc 1216 . . . . 5  |-  ( ph  -> DECID  B  e.  ( K ... ( `' J `  K ) ) )
33 exmiddc 821 . . . . 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 274 . . 3  |-  ( (
ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/ 
-.  B  e.  ( K ... ( `' J `  K ) ) ) )
3614, 20, 35mpjaodan 787 . 2  |-  ( (
ph  /\  A  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
37 simpr 109 . . . . 5  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( K ... ( `' J `  K ) ) )
38 simplr 519 . . . . 5  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  A  e.  ( K ... ( `' J `  K ) ) )
3937, 38jca 304 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  /\  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
409eqcomd 2145 . . . . . 6  |-  ( ph  ->  ( Q `  B
)  =  ( Q `
 A ) )
411, 3, 7, 5, 40, 11iseqf1olemnab 10261 . . . . 5  |-  ( ph  ->  -.  ( B  e.  ( K ... ( `' J `  K ) )  /\  -.  A  e.  ( K ... ( `' J `  K ) ) ) )
4241ad2antrr 479 . . . 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 609 . . 3  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
441ad2antrr 479 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  K  e.  ( M ... N
) )
453ad2antrr 479 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  J : ( M ... N ) -1-1-onto-> ( M ... N
) )
465ad2antrr 479 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  e.  ( M ... N
) )
477ad2antrr 479 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  B  e.  ( M ... N
) )
489ad2antrr 479 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( Q `  A )  =  ( Q `  B ) )
49 simplr 519 . . . 4  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  -.  A  e.  ( K ... ( `' J `  K ) ) )
50 simpr 109 . . . 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 10263 . . 3  |-  ( ( ( ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
5234adantr 274 . . 3  |-  ( (
ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  ->  ( B  e.  ( K ... ( `' J `  K ) )  \/ 
-.  B  e.  ( K ... ( `' J `  K ) ) ) )
5343, 51, 52mpjaodan 787 . 2  |-  ( (
ph  /\  -.  A  e.  ( K ... ( `' J `  K ) ) )  ->  A  =  B )
54 elfzelz 9806 . . . . 5  |-  ( A  e.  ( M ... N )  ->  A  e.  ZZ )
555, 54syl 14 . . . 4  |-  ( ph  ->  A  e.  ZZ )
56 fzdcel 9820 . . . 4  |-  ( ( A  e.  ZZ  /\  K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ )  -> DECID  A  e.  ( K ... ( `' J `  K ) ) )
5755, 24, 30, 56syl3anc 1216 . . 3  |-  ( ph  -> DECID  A  e.  ( K ... ( `' J `  K ) ) )
58 exmiddc 821 . . 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 787 1  |-  ( ph  ->  A  =  B )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 103    \/ wo 697  DECID wdc 819    = wceq 1331    e. wcel 1480   ifcif 3474    |-> cmpt 3989   `'ccnv 4538   -->wf 5119   -1-1-onto->wf1o 5122   ` cfv 5123  (class class class)co 5774   1c1 7621    - cmin 7933   ZZcz 9054   ...cfz 9790
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 603  ax-in2 604  ax-io 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-13 1491  ax-14 1492  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2121  ax-sep 4046  ax-pow 4098  ax-pr 4131  ax-un 4355  ax-setind 4452  ax-cnex 7711  ax-resscn 7712  ax-1cn 7713  ax-1re 7714  ax-icn 7715  ax-addcl 7716  ax-addrcl 7717  ax-mulcl 7718  ax-addcom 7720  ax-addass 7722  ax-distr 7724  ax-i2m1 7725  ax-0lt1 7726  ax-0id 7728  ax-rnegex 7729  ax-cnre 7731  ax-pre-ltirr 7732  ax-pre-ltwlin 7733  ax-pre-lttrn 7734  ax-pre-ltadd 7736
This theorem depends on definitions:  df-bi 116  df-dc 820  df-3or 963  df-3an 964  df-tru 1334  df-fal 1337  df-nf 1437  df-sb 1736  df-eu 2002  df-mo 2003  df-clab 2126  df-cleq 2132  df-clel 2135  df-nfc 2270  df-ne 2309  df-nel 2404  df-ral 2421  df-rex 2422  df-reu 2423  df-rab 2425  df-v 2688  df-sbc 2910  df-dif 3073  df-un 3075  df-in 3077  df-ss 3084  df-if 3475  df-pw 3512  df-sn 3533  df-pr 3534  df-op 3536  df-uni 3737  df-int 3772  df-br 3930  df-opab 3990  df-mpt 3991  df-id 4215  df-xp 4545  df-rel 4546  df-cnv 4547  df-co 4548  df-dm 4549  df-rn 4550  df-res 4551  df-ima 4552  df-iota 5088  df-fun 5125  df-fn 5126  df-f 5127  df-f1 5128  df-fo 5129  df-f1o 5130  df-fv 5131  df-riota 5730  df-ov 5777  df-oprab 5778  df-mpo 5779  df-pnf 7802  df-mnf 7803  df-xr 7804  df-ltxr 7805  df-le 7806  df-sub 7935  df-neg 7936  df-inn 8721  df-n0 8978  df-z 9055  df-uz 9327  df-fz 9791
This theorem is referenced by:  iseqf1olemqf1o  10266
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