ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  recexprlemss1u Unicode version

Theorem recexprlemss1u 7577
Description: The upper cut of  A  .P.  B is a subset of the upper cut of one. Lemma for recexpr 7579. (Contributed by Jim Kingdon, 27-Dec-2019.)
Hypothesis
Ref Expression
recexpr.1  |-  B  = 
<. { x  |  E. y ( x  <Q  y  /\  ( *Q `  y )  e.  ( 2nd `  A ) ) } ,  {
x  |  E. y
( y  <Q  x  /\  ( *Q `  y
)  e.  ( 1st `  A ) ) }
>.
Assertion
Ref Expression
recexprlemss1u  |-  ( A  e.  P.  ->  ( 2nd `  ( A  .P.  B ) )  C_  ( 2nd `  1P ) )
Distinct variable groups:    x, y, A   
x, B, y

Proof of Theorem recexprlemss1u
Dummy variables  q  z  w  u  f  g are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 recexpr.1 . . . . . 6  |-  B  = 
<. { x  |  E. y ( x  <Q  y  /\  ( *Q `  y )  e.  ( 2nd `  A ) ) } ,  {
x  |  E. y
( y  <Q  x  /\  ( *Q `  y
)  e.  ( 1st `  A ) ) }
>.
21recexprlempr 7573 . . . . 5  |-  ( A  e.  P.  ->  B  e.  P. )
3 df-imp 7410 . . . . . 6  |-  .P.  =  ( y  e.  P. ,  w  e.  P.  |->  <. { u  e.  Q.  |  E. f  e.  Q.  E. g  e.  Q.  (
f  e.  ( 1st `  y )  /\  g  e.  ( 1st `  w
)  /\  u  =  ( f  .Q  g
) ) } ,  { u  e.  Q.  |  E. f  e.  Q.  E. g  e.  Q.  (
f  e.  ( 2nd `  y )  /\  g  e.  ( 2nd `  w
)  /\  u  =  ( f  .Q  g
) ) } >. )
4 mulclnq 7317 . . . . . 6  |-  ( ( f  e.  Q.  /\  g  e.  Q. )  ->  ( f  .Q  g
)  e.  Q. )
53, 4genpelvu 7454 . . . . 5  |-  ( ( A  e.  P.  /\  B  e.  P. )  ->  ( w  e.  ( 2nd `  ( A  .P.  B ) )  <->  E. z  e.  ( 2nd `  A ) E. q  e.  ( 2nd `  B ) w  =  ( z  .Q  q
) ) )
62, 5mpdan 418 . . . 4  |-  ( A  e.  P.  ->  (
w  e.  ( 2nd `  ( A  .P.  B
) )  <->  E. z  e.  ( 2nd `  A
) E. q  e.  ( 2nd `  B
) w  =  ( z  .Q  q ) ) )
71recexprlemelu 7564 . . . . . . . 8  |-  ( q  e.  ( 2nd `  B
)  <->  E. y ( y 
<Q  q  /\  ( *Q `  y )  e.  ( 1st `  A
) ) )
8 ltrelnq 7306 . . . . . . . . . . . . . 14  |-  <Q  C_  ( Q.  X.  Q. )
98brel 4656 . . . . . . . . . . . . 13  |-  ( y 
<Q  q  ->  ( y  e.  Q.  /\  q  e.  Q. ) )
109simpld 111 . . . . . . . . . . . 12  |-  ( y 
<Q  q  ->  y  e. 
Q. )
11 prop 7416 . . . . . . . . . . . . . . . . . 18  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
12 elprnqu 7423 . . . . . . . . . . . . . . . . . 18  |-  ( (
<. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
z  e.  Q. )
1311, 12sylan 281 . . . . . . . . . . . . . . . . 17  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
z  e.  Q. )
14 ltmnqi 7344 . . . . . . . . . . . . . . . . . 18  |-  ( ( y  <Q  q  /\  z  e.  Q. )  ->  ( z  .Q  y
)  <Q  ( z  .Q  q ) )
1514expcom 115 . . . . . . . . . . . . . . . . 17  |-  ( z  e.  Q.  ->  (
y  <Q  q  ->  (
z  .Q  y ) 
<Q  ( z  .Q  q
) ) )
1613, 15syl 14 . . . . . . . . . . . . . . . 16  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( y  <Q  q  ->  ( z  .Q  y
)  <Q  ( z  .Q  q ) ) )
1716adantr 274 . . . . . . . . . . . . . . 15  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( y  <Q  q  ->  ( z  .Q  y
)  <Q  ( z  .Q  q ) ) )
18 prltlu 7428 . . . . . . . . . . . . . . . . . . . 20  |-  ( (
<. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  /\  ( *Q `  y
)  e.  ( 1st `  A )  /\  z  e.  ( 2nd `  A
) )  ->  ( *Q `  y )  <Q 
z )
1911, 18syl3an1 1261 . . . . . . . . . . . . . . . . . . 19  |-  ( ( A  e.  P.  /\  ( *Q `  y )  e.  ( 1st `  A
)  /\  z  e.  ( 2nd `  A ) )  ->  ( *Q `  y )  <Q  z
)
20193com23 1199 . . . . . . . . . . . . . . . . . 18  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A )  /\  ( *Q `  y )  e.  ( 1st `  A
) )  ->  ( *Q `  y )  <Q 
z )
21203expia 1195 . . . . . . . . . . . . . . . . 17  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( ( *Q `  y )  e.  ( 1st `  A )  ->  ( *Q `  y )  <Q  z
) )
2221adantr 274 . . . . . . . . . . . . . . . 16  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( ( *Q `  y )  e.  ( 1st `  A )  ->  ( *Q `  y )  <Q  z
) )
23 ltmnqi 7344 . . . . . . . . . . . . . . . . . . . . 21  |-  ( ( ( *Q `  y
)  <Q  z  /\  y  e.  Q. )  ->  (
y  .Q  ( *Q
`  y ) ) 
<Q  ( y  .Q  z
) )
2423expcom 115 . . . . . . . . . . . . . . . . . . . 20  |-  ( y  e.  Q.  ->  (
( *Q `  y
)  <Q  z  ->  (
y  .Q  ( *Q
`  y ) ) 
<Q  ( y  .Q  z
) ) )
2524adantr 274 . . . . . . . . . . . . . . . . . . 19  |-  ( ( y  e.  Q.  /\  z  e.  Q. )  ->  ( ( *Q `  y )  <Q  z  ->  ( y  .Q  ( *Q `  y ) ) 
<Q  ( y  .Q  z
) ) )
26 recidnq 7334 . . . . . . . . . . . . . . . . . . . . 21  |-  ( y  e.  Q.  ->  (
y  .Q  ( *Q
`  y ) )  =  1Q )
2726adantr 274 . . . . . . . . . . . . . . . . . . . 20  |-  ( ( y  e.  Q.  /\  z  e.  Q. )  ->  ( y  .Q  ( *Q `  y ) )  =  1Q )
28 mulcomnqg 7324 . . . . . . . . . . . . . . . . . . . 20  |-  ( ( y  e.  Q.  /\  z  e.  Q. )  ->  ( y  .Q  z
)  =  ( z  .Q  y ) )
2927, 28breq12d 3995 . . . . . . . . . . . . . . . . . . 19  |-  ( ( y  e.  Q.  /\  z  e.  Q. )  ->  ( ( y  .Q  ( *Q `  y
) )  <Q  (
y  .Q  z )  <-> 
1Q  <Q  ( z  .Q  y ) ) )
3025, 29sylibd 148 . . . . . . . . . . . . . . . . . 18  |-  ( ( y  e.  Q.  /\  z  e.  Q. )  ->  ( ( *Q `  y )  <Q  z  ->  1Q  <Q  ( z  .Q  y ) ) )
3130ancoms 266 . . . . . . . . . . . . . . . . 17  |-  ( ( z  e.  Q.  /\  y  e.  Q. )  ->  ( ( *Q `  y )  <Q  z  ->  1Q  <Q  ( z  .Q  y ) ) )
3213, 31sylan 281 . . . . . . . . . . . . . . . 16  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( ( *Q `  y )  <Q  z  ->  1Q  <Q  ( z  .Q  y ) ) )
3322, 32syld 45 . . . . . . . . . . . . . . 15  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( ( *Q `  y )  e.  ( 1st `  A )  ->  1Q  <Q  (
z  .Q  y ) ) )
3417, 33anim12d 333 . . . . . . . . . . . . . 14  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( ( y  <Q 
q  /\  ( *Q `  y )  e.  ( 1st `  A ) )  ->  ( (
z  .Q  y ) 
<Q  ( z  .Q  q
)  /\  1Q  <Q  ( z  .Q  y ) ) ) )
35 ltsonq 7339 . . . . . . . . . . . . . . . 16  |-  <Q  Or  Q.
3635, 8sotri 4999 . . . . . . . . . . . . . . 15  |-  ( ( 1Q  <Q  ( z  .Q  y )  /\  (
z  .Q  y ) 
<Q  ( z  .Q  q
) )  ->  1Q  <Q  ( z  .Q  q
) )
3736ancoms 266 . . . . . . . . . . . . . 14  |-  ( ( ( z  .Q  y
)  <Q  ( z  .Q  q )  /\  1Q  <Q  ( z  .Q  y
) )  ->  1Q  <Q  ( z  .Q  q
) )
3834, 37syl6 33 . . . . . . . . . . . . 13  |-  ( ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  /\  y  e.  Q. )  ->  ( ( y  <Q 
q  /\  ( *Q `  y )  e.  ( 1st `  A ) )  ->  1Q  <Q  ( z  .Q  q ) ) )
3938exp4b 365 . . . . . . . . . . . 12  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( y  e.  Q.  ->  ( y  <Q  q  ->  ( ( *Q `  y )  e.  ( 1st `  A )  ->  1Q  <Q  (
z  .Q  q ) ) ) ) )
4010, 39syl5 32 . . . . . . . . . . 11  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( y  <Q  q  ->  ( y  <Q  q  ->  ( ( *Q `  y )  e.  ( 1st `  A )  ->  1Q  <Q  (
z  .Q  q ) ) ) ) )
4140pm2.43d 50 . . . . . . . . . 10  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( y  <Q  q  ->  ( ( *Q `  y )  e.  ( 1st `  A )  ->  1Q  <Q  (
z  .Q  q ) ) ) )
4241impd 252 . . . . . . . . 9  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( ( y  <Q 
q  /\  ( *Q `  y )  e.  ( 1st `  A ) )  ->  1Q  <Q  ( z  .Q  q ) ) )
4342exlimdv 1807 . . . . . . . 8  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( E. y ( y  <Q  q  /\  ( *Q `  y )  e.  ( 1st `  A
) )  ->  1Q  <Q  ( z  .Q  q
) ) )
447, 43syl5bi 151 . . . . . . 7  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( q  e.  ( 2nd `  B )  ->  1Q  <Q  (
z  .Q  q ) ) )
45 breq2 3986 . . . . . . . 8  |-  ( w  =  ( z  .Q  q )  ->  ( 1Q  <Q  w  <->  1Q  <Q  ( z  .Q  q ) ) )
4645biimprcd 159 . . . . . . 7  |-  ( 1Q 
<Q  ( z  .Q  q
)  ->  ( w  =  ( z  .Q  q )  ->  1Q  <Q  w ) )
4744, 46syl6 33 . . . . . 6  |-  ( ( A  e.  P.  /\  z  e.  ( 2nd `  A ) )  -> 
( q  e.  ( 2nd `  B )  ->  ( w  =  ( z  .Q  q
)  ->  1Q  <Q  w ) ) )
4847expimpd 361 . . . . 5  |-  ( A  e.  P.  ->  (
( z  e.  ( 2nd `  A )  /\  q  e.  ( 2nd `  B ) )  ->  ( w  =  ( z  .Q  q )  ->  1Q  <Q  w ) ) )
4948rexlimdvv 2590 . . . 4  |-  ( A  e.  P.  ->  ( E. z  e.  ( 2nd `  A ) E. q  e.  ( 2nd `  B ) w  =  ( z  .Q  q
)  ->  1Q  <Q  w ) )
506, 49sylbid 149 . . 3  |-  ( A  e.  P.  ->  (
w  e.  ( 2nd `  ( A  .P.  B
) )  ->  1Q  <Q  w ) )
51 1pru 7497 . . . 4  |-  ( 2nd `  1P )  =  {
w  |  1Q  <Q  w }
5251abeq2i 2277 . . 3  |-  ( w  e.  ( 2nd `  1P ) 
<->  1Q  <Q  w )
5350, 52syl6ibr 161 . 2  |-  ( A  e.  P.  ->  (
w  e.  ( 2nd `  ( A  .P.  B
) )  ->  w  e.  ( 2nd `  1P ) ) )
5453ssrdv 3148 1  |-  ( A  e.  P.  ->  ( 2nd `  ( A  .P.  B ) )  C_  ( 2nd `  1P ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    <-> wb 104    = wceq 1343   E.wex 1480    e. wcel 2136   {cab 2151   E.wrex 2445    C_ wss 3116   <.cop 3579   class class class wbr 3982   ` cfv 5188  (class class class)co 5842   1stc1st 6106   2ndc2nd 6107   Q.cnq 7221   1Qc1q 7222    .Q cmq 7224   *Qcrq 7225    <Q cltq 7226   P.cnp 7232   1Pc1p 7233    .P. cmp 7235
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 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-13 2138  ax-14 2139  ax-ext 2147  ax-coll 4097  ax-sep 4100  ax-nul 4108  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514  ax-iinf 4565
This theorem depends on definitions:  df-bi 116  df-dc 825  df-3or 969  df-3an 970  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-ral 2449  df-rex 2450  df-reu 2451  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-nul 3410  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-int 3825  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-tr 4081  df-eprel 4267  df-id 4271  df-po 4274  df-iso 4275  df-iord 4344  df-on 4346  df-suc 4349  df-iom 4568  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-recs 6273  df-irdg 6338  df-1o 6384  df-oadd 6388  df-omul 6389  df-er 6501  df-ec 6503  df-qs 6507  df-ni 7245  df-pli 7246  df-mi 7247  df-lti 7248  df-plpq 7285  df-mpq 7286  df-enq 7288  df-nqqs 7289  df-plqqs 7290  df-mqqs 7291  df-1nqqs 7292  df-rq 7293  df-ltnqqs 7294  df-inp 7407  df-i1p 7408  df-imp 7410
This theorem is referenced by:  recexprlemex  7578
  Copyright terms: Public domain W3C validator