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Theorem frec2uzlt2d 10790
Description: The mapping  G (see frec2uz0d 10785) preserves order. (Contributed by Jim Kingdon, 16-May-2020.)
Hypotheses
Ref Expression
frec2uz.1  |-  ( ph  ->  C  e.  ZZ )
frec2uz.2  |-  G  = frec ( ( x  e.  ZZ  |->  ( x  + 
1 ) ) ,  C )
frec2uzzd.a  |-  ( ph  ->  A  e.  om )
frec2uzltd.b  |-  ( ph  ->  B  e.  om )
Assertion
Ref Expression
frec2uzlt2d  |-  ( ph  ->  ( A  e.  B  <->  ( G `  A )  <  ( G `  B ) ) )
Distinct variable group:    x, C
Allowed substitution hints:    ph( x)    A( x)    B( x)    G( x)

Proof of Theorem frec2uzlt2d
StepHypRef Expression
1 frec2uz.1 . . 3  |-  ( ph  ->  C  e.  ZZ )
2 frec2uz.2 . . 3  |-  G  = frec ( ( x  e.  ZZ  |->  ( x  + 
1 ) ) ,  C )
3 frec2uzzd.a . . 3  |-  ( ph  ->  A  e.  om )
4 frec2uzltd.b . . 3  |-  ( ph  ->  B  e.  om )
51, 2, 3, 4frec2uzltd 10789 . 2  |-  ( ph  ->  ( A  e.  B  ->  ( G `  A
)  <  ( G `  B ) ) )
6 nntri3or 6739 . . . 4  |-  ( ( A  e.  om  /\  B  e.  om )  ->  ( A  e.  B  \/  A  =  B  \/  B  e.  A
) )
73, 4, 6syl2anc 411 . . 3  |-  ( ph  ->  ( A  e.  B  \/  A  =  B  \/  B  e.  A
) )
8 ax-1 6 . . . . 5  |-  ( A  e.  B  ->  (
( G `  A
)  <  ( G `  B )  ->  A  e.  B ) )
98a1i 9 . . . 4  |-  ( ph  ->  ( A  e.  B  ->  ( ( G `  A )  <  ( G `  B )  ->  A  e.  B ) ) )
10 fveq2 5675 . . . . . . . . . 10  |-  ( A  =  B  ->  ( G `  A )  =  ( G `  B ) )
1110adantl 277 . . . . . . . . 9  |-  ( (
ph  /\  A  =  B )  ->  ( G `  A )  =  ( G `  B ) )
1211breq2d 4126 . . . . . . . 8  |-  ( (
ph  /\  A  =  B )  ->  (
( G `  A
)  <  ( G `  A )  <->  ( G `  A )  <  ( G `  B )
) )
1312biimpar 297 . . . . . . 7  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  ( G `  A )  <  ( G `  A
) )
141, 2, 3frec2uzzd 10786 . . . . . . . . . . 11  |-  ( ph  ->  ( G `  A
)  e.  ZZ )
1514adantr 276 . . . . . . . . . 10  |-  ( (
ph  /\  A  =  B )  ->  ( G `  A )  e.  ZZ )
1615adantr 276 . . . . . . . . 9  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  ( G `  A )  e.  ZZ )
1716zred 9718 . . . . . . . 8  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  ( G `  A )  e.  RR )
1817ltnrd 8401 . . . . . . 7  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  -.  ( G `  A )  <  ( G `  A ) )
1913, 18pm2.21dd 625 . . . . . 6  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  A  e.  B )
2019ex 115 . . . . 5  |-  ( (
ph  /\  A  =  B )  ->  (
( G `  A
)  <  ( G `  B )  ->  A  e.  B ) )
2120ex 115 . . . 4  |-  ( ph  ->  ( A  =  B  ->  ( ( G `
 A )  < 
( G `  B
)  ->  A  e.  B ) ) )
221, 2, 4frec2uzzd 10786 . . . . . . . . 9  |-  ( ph  ->  ( G `  B
)  e.  ZZ )
2322adantr 276 . . . . . . . 8  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  e.  ZZ )
2423zred 9718 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  e.  RR )
2514adantr 276 . . . . . . . 8  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  A )  e.  ZZ )
2625zred 9718 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  A )  e.  RR )
271, 2, 4, 3frec2uzltd 10789 . . . . . . . 8  |-  ( ph  ->  ( B  e.  A  ->  ( G `  B
)  <  ( G `  A ) ) )
2827imp 124 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  <  ( G `  A
) )
2924, 26, 28ltnsymd 8409 . . . . . 6  |-  ( (
ph  /\  B  e.  A )  ->  -.  ( G `  A )  <  ( G `  B ) )
3029pm2.21d 624 . . . . 5  |-  ( (
ph  /\  B  e.  A )  ->  (
( G `  A
)  <  ( G `  B )  ->  A  e.  B ) )
3130ex 115 . . . 4  |-  ( ph  ->  ( B  e.  A  ->  ( ( G `  A )  <  ( G `  B )  ->  A  e.  B ) ) )
329, 21, 313jaod 1341 . . 3  |-  ( ph  ->  ( ( A  e.  B  \/  A  =  B  \/  B  e.  A )  ->  (
( G `  A
)  <  ( G `  B )  ->  A  e.  B ) ) )
337, 32mpd 13 . 2  |-  ( ph  ->  ( ( G `  A )  <  ( G `  B )  ->  A  e.  B ) )
345, 33impbid 129 1  |-  ( ph  ->  ( A  e.  B  <->  ( G `  A )  <  ( G `  B ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    \/ w3o 1004    = wceq 1398    e. wcel 2205   class class class wbr 4114    |-> cmpt 4176   omcom 4717   ` cfv 5357  (class class class)co 6058  freccfrec 6634   1c1 8144    + caddc 8146    < clt 8324   ZZcz 9594
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4230  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-iinf 4715  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-addass 8245  ax-distr 8247  ax-i2m1 8248  ax-0lt1 8249  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254  ax-pre-ltirr 8255  ax-pre-ltwlin 8256  ax-pre-lttrn 8257  ax-pre-ltadd 8259
This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-tr 4214  df-id 4419  df-iord 4492  df-on 4494  df-ilim 4495  df-suc 4497  df-iom 4718  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-f1 5362  df-fo 5363  df-f1o 5364  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-recs 6549  df-frec 6635  df-pnf 8326  df-mnf 8327  df-xr 8328  df-ltxr 8329  df-le 8330  df-sub 8462  df-neg 8463  df-inn 9255  df-n0 9514  df-z 9595  df-uz 9872
This theorem is referenced by:  frec2uzisod  10793  frec2uzled  10815  nninfctlemfo  12761
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