Theorem genplt2i 7867

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 7722	. . . . . 6 |- <Q C_ ( Q. X. Q. )
5	4	brel 4822	. . . . 5 |- ( A <Q B -> ( A e. Q. /\ B e. Q. ) )
6	4	brel 4822	. . . . 5 |- ( C <Q D -> ( C e. Q. /\ D e. Q. ) )
7		simpll 531	. . . . 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 533	. . . . 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 535	. . . . 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 6249	. . 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 537	. . . . 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 6248	. . 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 7755	. . 3 |- <Q Or Q.
23	22, 4	sotri 5178	. 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 415	1 |- ( ( A <Q B /\ C <Q D ) -> ( A G C ) <Q ( B G D ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   /\ w3a 1009   = wceq 1402   e. wcel 2209   class class class wbr 4125  (class class class)co 6075   Q.cnq 7637   <Q cltq 7642

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

This theorem 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-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-eprel 4429  df-id 4433  df-po 4436  df-iso 4437  df-iord 4506  df-on 4508  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-ov 6078  df-oprab 6079  df-mpo 6080  df-1st 6364  df-2nd 6365  df-recs 6566  df-irdg 6631  df-oadd 6681  df-omul 6682  df-er 6797  df-ec 6799  df-qs 6803  df-ni 7661  df-mi 7663  df-lti 7664  df-enq 7704  df-nqqs 7705  df-ltnqqs 7710

This theorem is referenced by:  genprndl  7878  genprndu  7879  genpdisj  7880