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Theorem iseqf1olemnab 10444
Description: Lemma for seq3f1o 10460. (Contributed by Jim Kingdon, 27-Aug-2022.)
Hypotheses
Ref Expression
iseqf1olemqcl.k  |-  ( ph  ->  K  e.  ( M ... N ) )
iseqf1olemqcl.j  |-  ( ph  ->  J : ( M ... N ) -1-1-onto-> ( M ... N ) )
iseqf1olemqcl.a  |-  ( ph  ->  A  e.  ( M ... N ) )
iseqf1olemnab.b  |-  ( ph  ->  B  e.  ( M ... N ) )
iseqf1olemnab.eq  |-  ( ph  ->  ( Q `  A
)  =  ( Q `
 B ) )
iseqf1olemnab.q  |-  Q  =  ( u  e.  ( M ... N ) 
|->  if ( u  e.  ( K ... ( `' J `  K ) ) ,  if ( u  =  K ,  K ,  ( J `  ( u  -  1 ) ) ) ,  ( J `  u
) ) )
Assertion
Ref Expression
iseqf1olemnab  |-  ( ph  ->  -.  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
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 iseqf1olemnab
StepHypRef Expression
1 iseqf1olemnab.eq . . . 4  |-  ( ph  ->  ( Q `  A
)  =  ( Q `
 B ) )
21adantr 274 . . 3  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  A
)  =  ( Q `
 B ) )
3 iseqf1olemqcl.k . . . . . . 7  |-  ( ph  ->  K  e.  ( M ... N ) )
4 iseqf1olemqcl.j . . . . . . 7  |-  ( ph  ->  J : ( M ... N ) -1-1-onto-> ( M ... N ) )
5 iseqf1olemqcl.a . . . . . . 7  |-  ( ph  ->  A  e.  ( M ... N ) )
6 iseqf1olemnab.q . . . . . . 7  |-  Q  =  ( u  e.  ( M ... N ) 
|->  if ( u  e.  ( K ... ( `' J `  K ) ) ,  if ( u  =  K ,  K ,  ( J `  ( u  -  1 ) ) ) ,  ( J `  u
) ) )
73, 4, 5, 6iseqf1olemqval 10443 . . . . . 6  |-  ( ph  ->  ( Q `  A
)  =  if ( A  e.  ( K ... ( `' J `  K ) ) ,  if ( A  =  K ,  K , 
( J `  ( A  -  1 ) ) ) ,  ( J `  A ) ) )
87adantr 274 . . . . 5  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  A
)  =  if ( A  e.  ( K ... ( `' J `  K ) ) ,  if ( A  =  K ,  K , 
( J `  ( A  -  1 ) ) ) ,  ( J `  A ) ) )
9 simprl 526 . . . . . 6  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  A  e.  ( K ... ( `' J `  K ) ) )
109iftrued 3533 . . . . 5  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  if ( A  e.  ( K ... ( `' J `  K ) ) ,  if ( A  =  K ,  K ,  ( J `  ( A  -  1 ) ) ) ,  ( J `  A
) )  =  if ( A  =  K ,  K ,  ( J `  ( A  -  1 ) ) ) )
118, 10eqtrd 2203 . . . 4  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  A
)  =  if ( A  =  K ,  K ,  ( J `  ( A  -  1 ) ) ) )
12 f1ocnvfv2 5757 . . . . . . . 8  |-  ( ( J : ( M ... N ) -1-1-onto-> ( M ... N )  /\  K  e.  ( M ... N ) )  -> 
( J `  ( `' J `  K ) )  =  K )
134, 3, 12syl2anc 409 . . . . . . 7  |-  ( ph  ->  ( J `  ( `' J `  K ) )  =  K )
1413ad2antrr 485 . . . . . 6  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  ( J `  ( `' J `  K )
)  =  K )
15 f1ofn 5443 . . . . . . . . 9  |-  ( J : ( M ... N ) -1-1-onto-> ( M ... N
)  ->  J  Fn  ( M ... N ) )
164, 15syl 14 . . . . . . . 8  |-  ( ph  ->  J  Fn  ( M ... N ) )
1716ad2antrr 485 . . . . . . 7  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  J  Fn  ( M ... N
) )
18 elfzuz 9977 . . . . . . . . . 10  |-  ( K  e.  ( M ... N )  ->  K  e.  ( ZZ>= `  M )
)
19 fzss1 10019 . . . . . . . . . 10  |-  ( K  e.  ( ZZ>= `  M
)  ->  ( K ... ( `' J `  K ) )  C_  ( M ... ( `' J `  K ) ) )
203, 18, 193syl 17 . . . . . . . . 9  |-  ( ph  ->  ( K ... ( `' J `  K ) )  C_  ( M ... ( `' J `  K ) ) )
21 f1ocnv 5455 . . . . . . . . . . . 12  |-  ( J : ( M ... N ) -1-1-onto-> ( M ... N
)  ->  `' J : ( M ... N ) -1-1-onto-> ( M ... N
) )
22 f1of 5442 . . . . . . . . . . . 12  |-  ( `' J : ( M ... N ) -1-1-onto-> ( M ... N )  ->  `' J : ( M ... N ) --> ( M ... N ) )
234, 21, 223syl 17 . . . . . . . . . . 11  |-  ( ph  ->  `' J : ( M ... N ) --> ( M ... N ) )
2423, 3ffvelrnd 5632 . . . . . . . . . 10  |-  ( ph  ->  ( `' J `  K )  e.  ( M ... N ) )
25 elfzuz3 9978 . . . . . . . . . 10  |-  ( ( `' J `  K )  e.  ( M ... N )  ->  N  e.  ( ZZ>= `  ( `' J `  K )
) )
26 fzss2 10020 . . . . . . . . . 10  |-  ( N  e.  ( ZZ>= `  ( `' J `  K ) )  ->  ( M ... ( `' J `  K ) )  C_  ( M ... N ) )
2724, 25, 263syl 17 . . . . . . . . 9  |-  ( ph  ->  ( M ... ( `' J `  K ) )  C_  ( M ... N ) )
2820, 27sstrd 3157 . . . . . . . 8  |-  ( ph  ->  ( K ... ( `' J `  K ) )  C_  ( M ... N ) )
2928ad2antrr 485 . . . . . . 7  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  ( K ... ( `' J `  K ) )  C_  ( M ... N ) )
30 elfzubelfz 9992 . . . . . . . . 9  |-  ( A  e.  ( K ... ( `' J `  K ) )  ->  ( `' J `  K )  e.  ( K ... ( `' J `  K ) ) )
3130adantr 274 . . . . . . . 8  |-  ( ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) )  ->  ( `' J `  K )  e.  ( K ... ( `' J `  K ) ) )
3231ad2antlr 486 . . . . . . 7  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  ( `' J `  K )  e.  ( K ... ( `' J `  K ) ) )
33 fnfvima 5730 . . . . . . 7  |-  ( ( J  Fn  ( M ... N )  /\  ( K ... ( `' J `  K ) )  C_  ( M ... N )  /\  ( `' J `  K )  e.  ( K ... ( `' J `  K ) ) )  ->  ( J `  ( `' J `  K )
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
3417, 29, 32, 33syl3anc 1233 . . . . . 6  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  ( J `  ( `' J `  K )
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
3514, 34eqeltrrd 2248 . . . . 5  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  A  =  K )  ->  K  e.  ( J " ( K ... ( `' J `  K ) ) ) )
3616ad2antrr 485 . . . . . 6  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  J  Fn  ( M ... N
) )
3728ad2antrr 485 . . . . . 6  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K ... ( `' J `  K ) )  C_  ( M ... N ) )
383adantr 274 . . . . . . . . . 10  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  K  e.  ( M ... N ) )
39 elfzelz 9981 . . . . . . . . . 10  |-  ( K  e.  ( M ... N )  ->  K  e.  ZZ )
4038, 39syl 14 . . . . . . . . 9  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  K  e.  ZZ )
4140adantr 274 . . . . . . . 8  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  K  e.  ZZ )
4224ad2antrr 485 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( `' J `  K )  e.  ( M ... N ) )
43 elfzelz 9981 . . . . . . . . 9  |-  ( ( `' J `  K )  e.  ( M ... N )  ->  ( `' J `  K )  e.  ZZ )
4442, 43syl 14 . . . . . . . 8  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( `' J `  K )  e.  ZZ )
455adantr 274 . . . . . . . . . . 11  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  A  e.  ( M ... N ) )
46 elfzelz 9981 . . . . . . . . . . 11  |-  ( A  e.  ( M ... N )  ->  A  e.  ZZ )
4745, 46syl 14 . . . . . . . . . 10  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  A  e.  ZZ )
4847adantr 274 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  A  e.  ZZ )
49 peano2zm 9250 . . . . . . . . 9  |-  ( A  e.  ZZ  ->  ( A  -  1 )  e.  ZZ )
5048, 49syl 14 . . . . . . . 8  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( A  -  1 )  e.  ZZ )
5141, 44, 503jca 1172 . . . . . . 7  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ  /\  ( A  -  1 )  e.  ZZ ) )
52 simpr 109 . . . . . . . . . . 11  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  -.  A  =  K )
53 eqcom 2172 . . . . . . . . . . 11  |-  ( A  =  K  <->  K  =  A )
5452, 53sylnib 671 . . . . . . . . . 10  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  -.  K  =  A )
559adantr 274 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  A  e.  ( K ... ( `' J `  K ) ) )
56 elfzle1 9983 . . . . . . . . . . . 12  |-  ( A  e.  ( K ... ( `' J `  K ) )  ->  K  <_  A )
5755, 56syl 14 . . . . . . . . . . 11  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  K  <_  A )
58 zleloe 9259 . . . . . . . . . . . 12  |-  ( ( K  e.  ZZ  /\  A  e.  ZZ )  ->  ( K  <_  A  <->  ( K  <  A  \/  K  =  A )
) )
5941, 48, 58syl2anc 409 . . . . . . . . . . 11  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K  <_  A  <->  ( K  <  A  \/  K  =  A ) ) )
6057, 59mpbid 146 . . . . . . . . . 10  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K  <  A  \/  K  =  A ) )
6154, 60ecased 1344 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  K  <  A )
62 zltlem1 9269 . . . . . . . . . 10  |-  ( ( K  e.  ZZ  /\  A  e.  ZZ )  ->  ( K  <  A  <->  K  <_  ( A  - 
1 ) ) )
6341, 48, 62syl2anc 409 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K  <  A  <->  K  <_  ( A  -  1 ) ) )
6461, 63mpbid 146 . . . . . . . 8  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  K  <_  ( A  -  1 ) )
6550zred 9334 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( A  -  1 )  e.  RR )
6648zred 9334 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  A  e.  RR )
6744zred 9334 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( `' J `  K )  e.  RR )
6866lem1d 8849 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( A  -  1 )  <_  A )
69 elfzle2 9984 . . . . . . . . . 10  |-  ( A  e.  ( K ... ( `' J `  K ) )  ->  A  <_  ( `' J `  K ) )
7055, 69syl 14 . . . . . . . . 9  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  A  <_  ( `' J `  K ) )
7165, 66, 67, 68, 70letrd 8043 . . . . . . . 8  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( A  -  1 )  <_  ( `' J `  K ) )
7264, 71jca 304 . . . . . . 7  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( K  <_  ( A  - 
1 )  /\  ( A  -  1 )  <_  ( `' J `  K ) ) )
73 elfz2 9972 . . . . . . 7  |-  ( ( A  -  1 )  e.  ( K ... ( `' J `  K ) )  <->  ( ( K  e.  ZZ  /\  ( `' J `  K )  e.  ZZ  /\  ( A  -  1 )  e.  ZZ )  /\  ( K  <_  ( A  -  1 )  /\  ( A  -  1
)  <_  ( `' J `  K )
) ) )
7451, 72, 73sylanbrc 415 . . . . . 6  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( A  -  1 )  e.  ( K ... ( `' J `  K ) ) )
75 fnfvima 5730 . . . . . 6  |-  ( ( J  Fn  ( M ... N )  /\  ( K ... ( `' J `  K ) )  C_  ( M ... N )  /\  ( A  -  1 )  e.  ( K ... ( `' J `  K ) ) )  ->  ( J `  ( A  -  1 ) )  e.  ( J "
( K ... ( `' J `  K ) ) ) )
7636, 37, 74, 75syl3anc 1233 . . . . 5  |-  ( ( ( ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  /\  -.  A  =  K )  ->  ( J `  ( A  -  1 ) )  e.  ( J "
( K ... ( `' J `  K ) ) ) )
77 zdceq 9287 . . . . . 6  |-  ( ( A  e.  ZZ  /\  K  e.  ZZ )  -> DECID  A  =  K )
7847, 40, 77syl2anc 409 . . . . 5  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> DECID  A  =  K )
7935, 76, 78ifcldadc 3555 . . . 4  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  if ( A  =  K ,  K ,  ( J `  ( A  -  1 ) ) )  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
8011, 79eqeltrd 2247 . . 3  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  A
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
812, 80eqeltrrd 2248 . 2  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  B
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
82 iseqf1olemnab.b . . . . . 6  |-  ( ph  ->  B  e.  ( M ... N ) )
833, 4, 82, 6iseqf1olemqval 10443 . . . . 5  |-  ( ph  ->  ( Q `  B
)  =  if ( B  e.  ( K ... ( `' J `  K ) ) ,  if ( B  =  K ,  K , 
( J `  ( B  -  1 ) ) ) ,  ( J `  B ) ) )
8483adantr 274 . . . 4  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  B
)  =  if ( B  e.  ( K ... ( `' J `  K ) ) ,  if ( B  =  K ,  K , 
( J `  ( B  -  1 ) ) ) ,  ( J `  B ) ) )
85 simprr 527 . . . . 5  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  -.  B  e.  ( K ... ( `' J `  K ) ) )
8685iffalsed 3536 . . . 4  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  if ( B  e.  ( K ... ( `' J `  K ) ) ,  if ( B  =  K ,  K ,  ( J `  ( B  -  1 ) ) ) ,  ( J `  B
) )  =  ( J `  B ) )
8784, 86eqtrd 2203 . . 3  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( Q `  B
)  =  ( J `
 B ) )
88 f1of1 5441 . . . . . . 7  |-  ( J : ( M ... N ) -1-1-onto-> ( M ... N
)  ->  J :
( M ... N
) -1-1-> ( M ... N ) )
894, 88syl 14 . . . . . 6  |-  ( ph  ->  J : ( M ... N ) -1-1-> ( M ... N ) )
90 f1elima 5752 . . . . . 6  |-  ( ( J : ( M ... N ) -1-1-> ( M ... N )  /\  B  e.  ( M ... N )  /\  ( K ... ( `' J `  K ) )  C_  ( M ... N ) )  -> 
( ( J `  B )  e.  ( J " ( K ... ( `' J `  K ) ) )  <-> 
B  e.  ( K ... ( `' J `  K ) ) ) )
9189, 82, 28, 90syl3anc 1233 . . . . 5  |-  ( ph  ->  ( ( J `  B )  e.  ( J " ( K ... ( `' J `  K ) ) )  <-> 
B  e.  ( K ... ( `' J `  K ) ) ) )
9291adantr 274 . . . 4  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  -> 
( ( J `  B )  e.  ( J " ( K ... ( `' J `  K ) ) )  <-> 
B  e.  ( K ... ( `' J `  K ) ) ) )
9385, 92mtbird 668 . . 3  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  -.  ( J `  B
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
9487, 93eqneltrd 2266 . 2  |-  ( (
ph  /\  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )  ->  -.  ( Q `  B
)  e.  ( J
" ( K ... ( `' J `  K ) ) ) )
9581, 94pm2.65da 656 1  |-  ( ph  ->  -.  ( A  e.  ( K ... ( `' J `  K ) )  /\  -.  B  e.  ( K ... ( `' J `  K ) ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 103    <-> wb 104    \/ wo 703  DECID wdc 829    /\ w3a 973    = wceq 1348    e. wcel 2141    C_ wss 3121   ifcif 3526   class class class wbr 3989    |-> cmpt 4050   `'ccnv 4610   "cima 4614    Fn wfn 5193   -->wf 5194   -1-1->wf1 5195   -1-1-onto->wf1o 5197   ` cfv 5198  (class class class)co 5853   1c1 7775    < clt 7954    <_ cle 7955    - cmin 8090   ZZcz 9212   ZZ>=cuz 9487   ...cfz 9965
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-sep 4107  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-addcom 7874  ax-addass 7876  ax-distr 7878  ax-i2m1 7879  ax-0lt1 7880  ax-0id 7882  ax-rnegex 7883  ax-cnre 7885  ax-pre-ltirr 7886  ax-pre-ltwlin 7887  ax-pre-lttrn 7888  ax-pre-ltadd 7890
This theorem depends on definitions:  df-bi 116  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-nel 2436  df-ral 2453  df-rex 2454  df-reu 2455  df-rab 2457  df-v 2732  df-sbc 2956  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-if 3527  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-br 3990  df-opab 4051  df-mpt 4052  df-id 4278  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-pnf 7956  df-mnf 7957  df-xr 7958  df-ltxr 7959  df-le 7960  df-sub 8092  df-neg 8093  df-inn 8879  df-n0 9136  df-z 9213  df-uz 9488  df-fz 9966
This theorem is referenced by:  iseqf1olemmo  10448
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