Theorem genplt2i 7693

Description: Operating on both sides of two inequalities, when the operation is consistent with <Q. (Contributed by Jim Kingdon, 6-Oct-2019.)

Hypotheses

Ref	Expression
genplt2i.ord	|- ( ( x e. Q. /\ y e. Q. /\ z e. Q. ) -> ( x <Q y <-> ( z G x ) <Q ( z G y ) ) )
genplt2i.com	|- ( ( x e. Q. /\ y e. Q. ) -> ( x G y ) = ( y G x ) )

Assertion

Ref	Expression
genplt2i	|- ( ( A <Q B /\ C <Q D ) -> ( A G C ) <Q ( B G D ) )

Distinct variable groups:   x, A, y, z   x, B, y, z   x, C, y, z   x, D, y, z   x, G, y, z

Proof of Theorem genplt2i

Step	Hyp	Ref	Expression
1		simpl 109	. . 3 |- ( ( A <Q B /\ C <Q D ) -> A <Q B )
2		genplt2i.ord	. . . . 5 |- ( ( x e. Q. /\ y e. Q. /\ z e. Q. ) -> ( x <Q y <-> ( z G x ) <Q ( z G y ) ) )
3	2	adantl 277	. . . 4 |- ( ( ( A <Q B /\ C <Q D ) /\ ( x e. Q. /\ y e. Q. /\ z e. Q. ) ) -> ( x <Q y <-> ( z G x ) <Q ( z G y ) ) )
4		ltrelnq 7548	. . . . . 6 |- <Q C_ ( Q. X. Q. )
5	4	brel 4770	. . . . 5 |- ( A <Q B -> ( A e. Q. /\ B e. Q. ) )
6	4	brel 4770	. . . . 5 |- ( C <Q D -> ( C e. Q. /\ D e. Q. ) )
7		simpll 527	. . . . 5 |- ( ( ( A e. Q. /\ B e. Q. ) /\ ( C e. Q. /\ D e. Q. ) ) -> A e. Q. )
8	5, 6, 7	syl2an 289	. . . 4 |- ( ( A <Q B /\ C <Q D ) -> A e. Q. )
9		simplr 528	. . . . 5 |- ( ( ( A e. Q. /\ B e. Q. ) /\ ( C e. Q. /\ D e. Q. ) ) -> B e. Q. )
10	5, 6, 9	syl2an 289	. . . 4 |- ( ( A <Q B /\ C <Q D ) -> B e. Q. )
11		simprl 529	. . . . 5 |- ( ( ( A e. Q. /\ B e. Q. ) /\ ( C e. Q. /\ D e. Q. ) ) -> C e. Q. )
12	5, 6, 11	syl2an 289	. . . 4 |- ( ( A <Q B /\ C <Q D ) -> C e. Q. )
13		genplt2i.com	. . . . 5 |- ( ( x e. Q. /\ y e. Q. ) -> ( x G y ) = ( y G x ) )
14	13	adantl 277	. . . 4 |- ( ( ( A <Q B /\ C <Q D ) /\ ( x e. Q. /\ y e. Q. ) ) -> ( x G y ) = ( y G x ) )
15	3, 8, 10, 12, 14	caovord2d 6174	. . 3 |- ( ( A <Q B /\ C <Q D ) -> ( A <Q B <-> ( A G C ) <Q ( B G C ) ) )
16	1, 15	mpbid 147	. 2 |- ( ( A <Q B /\ C <Q D ) -> ( A G C ) <Q ( B G C ) )
17		simpr 110	. . 3 |- ( ( A <Q B /\ C <Q D ) -> C <Q D )
18		simprr 531	. . . . 5 |- ( ( ( A e. Q. /\ B e. Q. ) /\ ( C e. Q. /\ D e. Q. ) ) -> D e. Q. )
19	5, 6, 18	syl2an 289	. . . 4 |- ( ( A <Q B /\ C <Q D ) -> D e. Q. )
20	3, 12, 19, 10	caovordd 6173	. . 3 |- ( ( A <Q B /\ C <Q D ) -> ( C <Q D <-> ( B G C ) <Q ( B G D ) ) )
21	17, 20	mpbid 147	. 2 |- ( ( A <Q B /\ C <Q D ) -> ( B G C ) <Q ( B G D ) )
22		ltsonq 7581	. . 3 |- <Q Or Q.
23	22, 4	sotri 5123	. 2 |- ( ( ( A G C ) <Q ( B G C ) /\ ( B G C ) <Q ( B G D ) ) -> ( A G C ) <Q ( B G D ) )
24	16, 21, 23	syl2anc 411	1 |- ( ( A <Q B /\ C <Q D ) -> ( A G C ) <Q ( B G D ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   /\ w3a 1002   = wceq 1395   e. wcel 2200   class class class wbr 4082  (class class class)co 6000   Q.cnq 7463   <Q cltq 7468

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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4198  ax-sep 4201  ax-nul 4209  ax-pow 4257  ax-pr 4292  ax-un 4523  ax-setind 4628  ax-iinf 4679

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-tr 4182  df-eprel 4379  df-id 4383  df-po 4386  df-iso 4387  df-iord 4456  df-on 4458  df-suc 4461  df-iom 4682  df-xp 4724  df-rel 4725  df-cnv 4726  df-co 4727  df-dm 4728  df-rn 4729  df-res 4730  df-ima 4731  df-iota 5277  df-fun 5319  df-fn 5320  df-f 5321  df-f1 5322  df-fo 5323  df-f1o 5324  df-fv 5325  df-ov 6003  df-oprab 6004  df-mpo 6005  df-1st 6284  df-2nd 6285  df-recs 6449  df-irdg 6514  df-oadd 6564  df-omul 6565  df-er 6678  df-ec 6680  df-qs 6684  df-ni 7487  df-mi 7489  df-lti 7490  df-enq 7530  df-nqqs 7531  df-ltnqqs 7536

This theorem is referenced by:  genprndl  7704  genprndu  7705  genpdisj  7706