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Theorem ivthinclemur 15740
Description: Lemma for ivthinc 15744. The upper cut is rounded. (Contributed by Jim Kingdon, 18-Feb-2024.)
Hypotheses
Ref Expression
ivth.1  |-  ( ph  ->  A  e.  RR )
ivth.2  |-  ( ph  ->  B  e.  RR )
ivth.3  |-  ( ph  ->  U  e.  RR )
ivth.4  |-  ( ph  ->  A  <  B )
ivth.5  |-  ( ph  ->  ( A [,] B
)  C_  D )
ivth.7  |-  ( ph  ->  F  e.  ( D
-cn-> CC ) )
ivth.8  |-  ( (
ph  /\  x  e.  ( A [,] B ) )  ->  ( F `  x )  e.  RR )
ivth.9  |-  ( ph  ->  ( ( F `  A )  <  U  /\  U  <  ( F `
 B ) ) )
ivthinc.i  |-  ( ( ( ph  /\  x  e.  ( A [,] B
) )  /\  (
y  e.  ( A [,] B )  /\  x  <  y ) )  ->  ( F `  x )  <  ( F `  y )
)
ivthinclem.l  |-  L  =  { w  e.  ( A [,] B )  |  ( F `  w )  <  U }
ivthinclem.r  |-  R  =  { w  e.  ( A [,] B )  |  U  <  ( F `  w ) }
Assertion
Ref Expression
ivthinclemur  |-  ( ph  ->  A. r  e.  ( A [,] B ) ( r  e.  R  <->  E. q  e.  R  q  <  r ) )
Distinct variable groups:    A, q, w   
x, A, y, q    B, q, w    x, B, y    w, F    x, F, y    R, q, x, y    w, U    ph, q,
r, x, y    w, r
Allowed substitution hints:    ph( w)    A( r)    B( r)    D( x,  y,  w,  r,  q)    R( w,  r)    U( x,  y,  r,  q)    F( r,  q)    L( x,  y,  w,  r,  q)

Proof of Theorem ivthinclemur
StepHypRef Expression
1 ivth.1 . . . . . 6  |-  ( ph  ->  A  e.  RR )
21ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  A  e.  RR )
3 ivth.2 . . . . . 6  |-  ( ph  ->  B  e.  RR )
43ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  B  e.  RR )
5 ivth.3 . . . . . 6  |-  ( ph  ->  U  e.  RR )
65ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  U  e.  RR )
7 ivth.4 . . . . . 6  |-  ( ph  ->  A  <  B )
87ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  A  <  B )
9 ivth.5 . . . . . 6  |-  ( ph  ->  ( A [,] B
)  C_  D )
109ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  ( A [,] B )  C_  D )
11 ivth.7 . . . . . 6  |-  ( ph  ->  F  e.  ( D
-cn-> CC ) )
1211ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  F  e.  ( D -cn-> CC ) )
13 ivth.8 . . . . . . 7  |-  ( (
ph  /\  x  e.  ( A [,] B ) )  ->  ( F `  x )  e.  RR )
1413adantlr 481 . . . . . 6  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  x  e.  ( A [,] B
) )  ->  ( F `  x )  e.  RR )
1514adantlr 481 . . . . 5  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  r  e.  R )  /\  x  e.  ( A [,] B ) )  ->  ( F `  x )  e.  RR )
16 ivth.9 . . . . . 6  |-  ( ph  ->  ( ( F `  A )  <  U  /\  U  <  ( F `
 B ) ) )
1716ad2antrr 492 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  (
( F `  A
)  <  U  /\  U  <  ( F `  B ) ) )
18 ivthinc.i . . . . . . 7  |-  ( ( ( ph  /\  x  e.  ( A [,] B
) )  /\  (
y  e.  ( A [,] B )  /\  x  <  y ) )  ->  ( F `  x )  <  ( F `  y )
)
1918adantllr 485 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  x  e.  ( A [,] B ) )  /\  ( y  e.  ( A [,] B )  /\  x  <  y
) )  ->  ( F `  x )  <  ( F `  y
) )
2019adantllr 485 . . . . 5  |-  ( ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  r  e.  R
)  /\  x  e.  ( A [,] B ) )  /\  ( y  e.  ( A [,] B )  /\  x  <  y ) )  -> 
( F `  x
)  <  ( F `  y ) )
21 ivthinclem.l . . . . 5  |-  L  =  { w  e.  ( A [,] B )  |  ( F `  w )  <  U }
22 ivthinclem.r . . . . 5  |-  R  =  { w  e.  ( A [,] B )  |  U  <  ( F `  w ) }
23 simpr 110 . . . . 5  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  r  e.  R )
242, 4, 6, 8, 10, 12, 15, 17, 20, 21, 22, 23ivthinclemuopn 15739 . . . 4  |-  ( ( ( ph  /\  r  e.  ( A [,] B
) )  /\  r  e.  R )  ->  E. q  e.  R  q  <  r )
2524ex 115 . . 3  |-  ( (
ph  /\  r  e.  ( A [,] B ) )  ->  ( r  e.  R  ->  E. q  e.  R  q  <  r ) )
26 simpllr 540 . . . . 5  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  r  e.  ( A [,] B ) )
275ad3antrrr 496 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  U  e.  RR )
28 fveq2 5695 . . . . . . . 8  |-  ( x  =  q  ->  ( F `  x )  =  ( F `  q ) )
2928eleq1d 2307 . . . . . . 7  |-  ( x  =  q  ->  (
( F `  x
)  e.  RR  <->  ( F `  q )  e.  RR ) )
3013ralrimiva 2623 . . . . . . . 8  |-  ( ph  ->  A. x  e.  ( A [,] B ) ( F `  x
)  e.  RR )
3130ad3antrrr 496 . . . . . . 7  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  A. x  e.  ( A [,] B ) ( F `  x
)  e.  RR )
32 fveq2 5695 . . . . . . . . . . 11  |-  ( w  =  q  ->  ( F `  w )  =  ( F `  q ) )
3332breq2d 4142 . . . . . . . . . 10  |-  ( w  =  q  ->  ( U  <  ( F `  w )  <->  U  <  ( F `  q ) ) )
3433, 22elrab2 2985 . . . . . . . . 9  |-  ( q  e.  R  <->  ( q  e.  ( A [,] B
)  /\  U  <  ( F `  q ) ) )
3534simplbi 274 . . . . . . . 8  |-  ( q  e.  R  ->  q  e.  ( A [,] B
) )
3635ad2antlr 493 . . . . . . 7  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  q  e.  ( A [,] B ) )
3729, 31, 36rspcdva 2934 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  ( F `  q )  e.  RR )
38 fveq2 5695 . . . . . . . 8  |-  ( x  =  r  ->  ( F `  x )  =  ( F `  r ) )
3938eleq1d 2307 . . . . . . 7  |-  ( x  =  r  ->  (
( F `  x
)  e.  RR  <->  ( F `  r )  e.  RR ) )
4039, 31, 26rspcdva 2934 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  ( F `  r )  e.  RR )
4134simprbi 275 . . . . . . 7  |-  ( q  e.  R  ->  U  <  ( F `  q
) )
4241ad2antlr 493 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  U  <  ( F `  q )
)
43 simpr 110 . . . . . . 7  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  q  <  r
)
44 breq2 4134 . . . . . . . . 9  |-  ( y  =  r  ->  (
q  <  y  <->  q  <  r ) )
45 fveq2 5695 . . . . . . . . . 10  |-  ( y  =  r  ->  ( F `  y )  =  ( F `  r ) )
4645breq2d 4142 . . . . . . . . 9  |-  ( y  =  r  ->  (
( F `  q
)  <  ( F `  y )  <->  ( F `  q )  <  ( F `  r )
) )
4744, 46imbi12d 234 . . . . . . . 8  |-  ( y  =  r  ->  (
( q  <  y  ->  ( F `  q
)  <  ( F `  y ) )  <->  ( q  <  r  ->  ( F `  q )  <  ( F `  r )
) ) )
48 breq1 4133 . . . . . . . . . . 11  |-  ( x  =  q  ->  (
x  <  y  <->  q  <  y ) )
4928breq1d 4140 . . . . . . . . . . 11  |-  ( x  =  q  ->  (
( F `  x
)  <  ( F `  y )  <->  ( F `  q )  <  ( F `  y )
) )
5048, 49imbi12d 234 . . . . . . . . . 10  |-  ( x  =  q  ->  (
( x  <  y  ->  ( F `  x
)  <  ( F `  y ) )  <->  ( q  <  y  ->  ( F `  q )  <  ( F `  y )
) ) )
5150ralbidv 2550 . . . . . . . . 9  |-  ( x  =  q  ->  ( A. y  e.  ( A [,] B ) ( x  <  y  -> 
( F `  x
)  <  ( F `  y ) )  <->  A. y  e.  ( A [,] B
) ( q  < 
y  ->  ( F `  q )  <  ( F `  y )
) ) )
5218expr 375 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  x  e.  ( A [,] B
) )  /\  y  e.  ( A [,] B
) )  ->  (
x  <  y  ->  ( F `  x )  <  ( F `  y ) ) )
5352ralrimiva 2623 . . . . . . . . . . 11  |-  ( (
ph  /\  x  e.  ( A [,] B ) )  ->  A. y  e.  ( A [,] B
) ( x  < 
y  ->  ( F `  x )  <  ( F `  y )
) )
5453ralrimiva 2623 . . . . . . . . . 10  |-  ( ph  ->  A. x  e.  ( A [,] B ) A. y  e.  ( A [,] B ) ( x  <  y  ->  ( F `  x
)  <  ( F `  y ) ) )
5554ad3antrrr 496 . . . . . . . . 9  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  A. x  e.  ( A [,] B ) A. y  e.  ( A [,] B ) ( x  <  y  ->  ( F `  x
)  <  ( F `  y ) ) )
5651, 55, 36rspcdva 2934 . . . . . . . 8  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  A. y  e.  ( A [,] B ) ( q  <  y  ->  ( F `  q
)  <  ( F `  y ) ) )
5747, 56, 26rspcdva 2934 . . . . . . 7  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  ( q  < 
r  ->  ( F `  q )  <  ( F `  r )
) )
5843, 57mpd 13 . . . . . 6  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  ( F `  q )  <  ( F `  r )
)
5927, 37, 40, 42, 58lttrd 8452 . . . . 5  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  U  <  ( F `  r )
)
60 fveq2 5695 . . . . . . 7  |-  ( w  =  r  ->  ( F `  w )  =  ( F `  r ) )
6160breq2d 4142 . . . . . 6  |-  ( w  =  r  ->  ( U  <  ( F `  w )  <->  U  <  ( F `  r ) ) )
6261, 22elrab2 2985 . . . . 5  |-  ( r  e.  R  <->  ( r  e.  ( A [,] B
)  /\  U  <  ( F `  r ) ) )
6326, 59, 62sylanbrc 421 . . . 4  |-  ( ( ( ( ph  /\  r  e.  ( A [,] B ) )  /\  q  e.  R )  /\  q  <  r )  ->  r  e.  R
)
6463rexlimdva2 2671 . . 3  |-  ( (
ph  /\  r  e.  ( A [,] B ) )  ->  ( E. q  e.  R  q  <  r  ->  r  e.  R ) )
6525, 64impbid 129 . 2  |-  ( (
ph  /\  r  e.  ( A [,] B ) )  ->  ( r  e.  R  <->  E. q  e.  R  q  <  r ) )
6665ralrimiva 2623 1  |-  ( ph  ->  A. r  e.  ( A [,] B ) ( r  e.  R  <->  E. q  e.  R  q  <  r ) )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1402    e. wcel 2209   A.wral 2528   E.wrex 2529   {crab 2532    C_ wss 3220   class class class wbr 4130   ` cfv 5377  (class class class)co 6085   CCcc 8177   RRcr 8178    < clt 8360   [,]cicc 10293   -cn->ccncf 15671
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-mulrcl 8278  ax-addcom 8279  ax-mulcom 8280  ax-addass 8281  ax-mulass 8282  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-1rid 8286  ax-0id 8287  ax-rnegex 8288  ax-precex 8289  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-apti 8294  ax-pre-ltadd 8295  ax-pre-mulgt0 8296  ax-pre-mulext 8297  ax-arch 8298  ax-caucvg 8299
This proof depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-frec 6662  df-map 6924  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-reap 8903  df-ap 8910  df-div 9003  df-inn 9305  df-2 9363  df-3 9364  df-4 9365  df-n0 9564  df-z 9645  df-uz 9922  df-rp 10055  df-icc 10297  df-seqfrec 10885  df-exp 10976  df-cj 11607  df-re 11608  df-im 11609  df-rsqrt 11764  df-abs 11765  df-cncf 15672
This theorem is used by:  ivthinclemex  15743
  Copyright terms: Public domain W3C validator