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Theorem frec2uzlt2d 10819
Description: The mapping  G (see frec2uz0d 10814) 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 10818 . 2  |-  ( ph  ->  ( A  e.  B  ->  ( G `  A
)  <  ( G `  B ) ) )
6 nntri3or 6756 . . . 4  |-  ( ( A  e.  om  /\  B  e.  om )  ->  ( A  e.  B  \/  A  =  B  \/  B  e.  A
) )
73, 4, 6syl2anc 415 . . 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 5690 . . . . . . . . . 10  |-  ( A  =  B  ->  ( G `  A )  =  ( G `  B ) )
1110adantl 277 . . . . . . . . 9  |-  ( (
ph  /\  A  =  B )  ->  ( G `  A )  =  ( G `  B ) )
1211breq2d 4137 . . . . . . . 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 10815 . . . . . . . . . . 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 9747 . . . . . . . 8  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  ( G `  A )  e.  RR )
1817ltnrd 8427 . . . . . . 7  |-  ( ( ( ph  /\  A  =  B )  /\  ( G `  A )  <  ( G `  B
) )  ->  -.  ( G `  A )  <  ( G `  A ) )
1913, 18pm2.21dd 629 . . . . . 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 10815 . . . . . . . . 9  |-  ( ph  ->  ( G `  B
)  e.  ZZ )
2322adantr 276 . . . . . . . 8  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  e.  ZZ )
2423zred 9747 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  e.  RR )
2514adantr 276 . . . . . . . 8  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  A )  e.  ZZ )
2625zred 9747 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  A )  e.  RR )
271, 2, 4, 3frec2uzltd 10818 . . . . . . . 8  |-  ( ph  ->  ( B  e.  A  ->  ( G `  B
)  <  ( G `  A ) ) )
2827imp 124 . . . . . . 7  |-  ( (
ph  /\  B  e.  A )  ->  ( G `  B )  <  ( G `  A
) )
2924, 26, 28ltnsymd 8436 . . . . . 6  |-  ( (
ph  /\  B  e.  A )  ->  -.  ( G `  A )  <  ( G `  B ) )
3029pm2.21d 628 . . . . 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 1345 . . 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 1008    = wceq 1402    e. wcel 2209   class class class wbr 4125    |-> cmpt 4187   omcom 4732   ` cfv 5372  (class class class)co 6075  freccfrec 6651   1c1 8170    + caddc 8172    < clt 8350   ZZcz 9623
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 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 4241  ax-sep 4244  ax-nul 4254  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679  ax-iinf 4730  ax-cnex 8260  ax-resscn 8261  ax-1cn 8262  ax-1re 8263  ax-icn 8264  ax-addcl 8265  ax-addrcl 8266  ax-mulcl 8267  ax-addcom 8269  ax-addass 8271  ax-distr 8273  ax-i2m1 8274  ax-0lt1 8275  ax-0id 8277  ax-rnegex 8278  ax-cnre 8280  ax-pre-ltirr 8281  ax-pre-ltwlin 8282  ax-pre-lttrn 8283  ax-pre-ltadd 8285
This theorem depends on definitions:  df-bi 117  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-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-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-int 3966  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-tr 4225  df-id 4433  df-iord 4506  df-on 4508  df-ilim 4509  df-suc 4511  df-iom 4733  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-riota 6028  df-ov 6078  df-oprab 6079  df-mpo 6080  df-recs 6566  df-frec 6652  df-pnf 8352  df-mnf 8353  df-xr 8354  df-ltxr 8355  df-le 8356  df-sub 8489  df-neg 8490  df-inn 9284  df-n0 9543  df-z 9624  df-uz 9901
This theorem is referenced by:  frec2uzisod  10822  frec2uzled  10844  nninfctlemfo  12795
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