Theorem frec2uzlt2d 10766

Description: The mapping G (see frec2uz0d 10761) 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

Step	Hyp	Ref	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 )
5	1, 2, 3, 4	frec2uzltd 10765	. 2 |- ( ph -> ( A e. B -> ( G ` A ) < ( G ` B ) ) )
6		nntri3or 6726	. . . 4 |- ( ( A e. om /\ B e. om ) -> ( A e. B \/ A = B \/ B e. A ) )
7	3, 4, 6	syl2anc 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 ) )
9	8	a1i 9	. . . 4 |- ( ph -> ( A e. B -> ( ( G ` A ) < ( G ` B ) -> A e. B ) ) )
10		fveq2 5670	. . . . . . . . . 10 |- ( A = B -> ( G ` A ) = ( G ` B ) )
11	10	adantl 277	. . . . . . . . 9 |- ( ( ph /\ A = B ) -> ( G ` A ) = ( G ` B ) )
12	11	breq2d 4121	. . . . . . . 8 |- ( ( ph /\ A = B ) -> ( ( G ` A ) < ( G ` A ) <-> ( G ` A ) < ( G ` B ) ) )
13	12	biimpar 297	. . . . . . 7 |- ( ( ( ph /\ A = B ) /\ ( G ` A ) < ( G ` B ) ) -> ( G ` A ) < ( G ` A ) )
14	1, 2, 3	frec2uzzd 10762	. . . . . . . . . . 11 |- ( ph -> ( G ` A ) e. ZZ )
15	14	adantr 276	. . . . . . . . . 10 |- ( ( ph /\ A = B ) -> ( G ` A ) e. ZZ )
16	15	adantr 276	. . . . . . . . 9 |- ( ( ( ph /\ A = B ) /\ ( G ` A ) < ( G ` B ) ) -> ( G ` A ) e. ZZ )
17	16	zred 9700	. . . . . . . 8 |- ( ( ( ph /\ A = B ) /\ ( G ` A ) < ( G ` B ) ) -> ( G ` A ) e. RR )
18	17	ltnrd 8385	. . . . . . 7 |- ( ( ( ph /\ A = B ) /\ ( G ` A ) < ( G ` B ) ) -> -. ( G ` A ) < ( G ` A ) )
19	13, 18	pm2.21dd 625	. . . . . 6 |- ( ( ( ph /\ A = B ) /\ ( G ` A ) < ( G ` B ) ) -> A e. B )
20	19	ex 115	. . . . 5 |- ( ( ph /\ A = B ) -> ( ( G ` A ) < ( G ` B ) -> A e. B ) )
21	20	ex 115	. . . 4 |- ( ph -> ( A = B -> ( ( G ` A ) < ( G ` B ) -> A e. B ) ) )
22	1, 2, 4	frec2uzzd 10762	. . . . . . . . 9 |- ( ph -> ( G ` B ) e. ZZ )
23	22	adantr 276	. . . . . . . 8 |- ( ( ph /\ B e. A ) -> ( G ` B ) e. ZZ )
24	23	zred 9700	. . . . . . 7 |- ( ( ph /\ B e. A ) -> ( G ` B ) e. RR )
25	14	adantr 276	. . . . . . . 8 |- ( ( ph /\ B e. A ) -> ( G ` A ) e. ZZ )
26	25	zred 9700	. . . . . . 7 |- ( ( ph /\ B e. A ) -> ( G ` A ) e. RR )
27	1, 2, 4, 3	frec2uzltd 10765	. . . . . . . 8 |- ( ph -> ( B e. A -> ( G ` B ) < ( G ` A ) ) )
28	27	imp 124	. . . . . . 7 |- ( ( ph /\ B e. A ) -> ( G ` B ) < ( G ` A ) )
29	24, 26, 28	ltnsymd 8393	. . . . . 6 |- ( ( ph /\ B e. A ) -> -. ( G ` A ) < ( G ` B ) )
30	29	pm2.21d 624	. . . . 5 |- ( ( ph /\ B e. A ) -> ( ( G ` A ) < ( G ` B ) -> A e. B ) )
31	30	ex 115	. . . 4 |- ( ph -> ( B e. A -> ( ( G ` A ) < ( G ` B ) -> A e. B ) ) )
32	9, 21, 31	3jaod 1341	. . 3 |- ( ph -> ( ( A e. B \/ A = B \/ B e. A ) -> ( ( G ` A ) < ( G ` B ) -> A e. B ) ) )
33	7, 32	mpd 13	. 2 |- ( ph -> ( ( G ` A ) < ( G ` B ) -> A e. B ) )
34	5, 33	impbid 129	1 |- ( ph -> ( A e. B <-> ( G ` A ) < ( G ` B ) ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   \/ w3o 1004   = wceq 1398   e. wcel 2203   class class class wbr 4109   |-> cmpt 4171   omcom 4712   ` cfv 5352  (class class class)co 6050  freccfrec 6621   1c1 8128   + caddc 8130   < clt 8308   ZZcz 9577

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 2205  ax-14 2206  ax-ext 2214  ax-coll 4225  ax-sep 4228  ax-nul 4236  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-iinf 4710  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-addcom 8227  ax-addass 8229  ax-distr 8231  ax-i2m1 8232  ax-0lt1 8233  ax-0id 8235  ax-rnegex 8236  ax-cnre 8238  ax-pre-ltirr 8239  ax-pre-ltwlin 8240  ax-pre-lttrn 8241  ax-pre-ltadd 8243

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 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-nul 3509  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-iun 3993  df-br 4110  df-opab 4172  df-mpt 4173  df-tr 4209  df-id 4414  df-iord 4487  df-on 4489  df-ilim 4490  df-suc 4492  df-iom 4713  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-f1 5357  df-fo 5358  df-f1o 5359  df-fv 5360  df-riota 6003  df-ov 6053  df-oprab 6054  df-mpo 6055  df-recs 6536  df-frec 6622  df-pnf 8310  df-mnf 8311  df-xr 8312  df-ltxr 8313  df-le 8314  df-sub 8446  df-neg 8447  df-inn 9238  df-n0 9497  df-z 9578  df-uz 9854

This theorem is referenced by:  frec2uzisod  10769  frec2uzled  10791  nninfctlemfo  12736