Theorem leisorel 10835

Description: Version of isorel 5825 for strictly increasing functions on the reals. (Contributed by Mario Carneiro, 6-Apr-2015.) (Revised by Mario Carneiro, 9-Sep-2015.)

Assertion

Ref	Expression
leisorel	|- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( C <_ D <-> ( F ` C ) <_ ( F ` D ) ) )

Proof of Theorem leisorel

Step	Hyp	Ref	Expression
1		simp1 999	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> F Isom < , < ( A , B ) )
2		simp3r 1028	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> D e. A )
3		simp3l 1027	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> C e. A )
4		isorel 5825	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( D e. A /\ C e. A ) ) -> ( D < C <-> ( F ` D ) < ( F ` C ) ) )
5	4	notbid 668	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( D e. A /\ C e. A ) ) -> ( -. D < C <-> -. ( F ` D ) < ( F ` C ) ) )
6	1, 2, 3, 5	syl12anc 1247	. 2 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( -. D < C <-> -. ( F ` D ) < ( F ` C ) ) )
7		simp2l 1025	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> A C_ RR* )
8	7, 3	sseldd 3171	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> C e. RR* )
9	7, 2	sseldd 3171	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> D e. RR* )
10		xrlenlt 8040	. . 3 |- ( ( C e. RR* /\ D e. RR* ) -> ( C <_ D <-> -. D < C ) )
11	8, 9, 10	syl2anc 411	. 2 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( C <_ D <-> -. D < C ) )
12		simp2r 1026	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> B C_ RR* )
13		isof1o 5824	. . . . . 6 |- ( F Isom < , < ( A , B ) -> F : A -1-1-onto-> B )
14		f1of 5476	. . . . . 6 |- ( F : A -1-1-onto-> B -> F : A --> B )
15	1, 13, 14	3syl 17	. . . . 5 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> F : A --> B )
16	15, 3	ffvelcdmd 5668	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( F ` C ) e. B )
17	12, 16	sseldd 3171	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( F ` C ) e. RR* )
18	15, 2	ffvelcdmd 5668	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( F ` D ) e. B )
19	12, 18	sseldd 3171	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( F ` D ) e. RR* )
20		xrlenlt 8040	. . 3 |- ( ( ( F ` C ) e. RR* /\ ( F ` D ) e. RR* ) -> ( ( F ` C ) <_ ( F ` D ) <-> -. ( F ` D ) < ( F ` C ) ) )
21	17, 19, 20	syl2anc 411	. 2 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( ( F ` C ) <_ ( F ` D ) <-> -. ( F ` D ) < ( F ` C ) ) )
22	6, 11, 21	3bitr4d 220	1 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( C <_ D <-> ( F ` C ) <_ ( F ` D ) ) )

Syntax hints:   -. wn 3   -> wi 4   /\ wa 104   <-> wb 105   /\ w3a 980   e. wcel 2160   C_ wss 3144   class class class wbr 4018   -->wf 5227   -1-1-onto->wf1o 5230   ` cfv 5231   Isom wiso 5232   RR*cxr 8009   < clt 8010   <_ cle 8011

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 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-14 2163  ax-ext 2171  ax-sep 4136  ax-pow 4189  ax-pr 4224

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-nf 1472  df-sb 1774  df-eu 2041  df-mo 2042  df-clab 2176  df-cleq 2182  df-clel 2185  df-nfc 2321  df-ral 2473  df-rex 2474  df-v 2754  df-sbc 2978  df-dif 3146  df-un 3148  df-in 3150  df-ss 3157  df-pw 3592  df-sn 3613  df-pr 3614  df-op 3616  df-uni 3825  df-br 4019  df-opab 4080  df-id 4308  df-xp 4647  df-rel 4648  df-cnv 4649  df-co 4650  df-dm 4651  df-rn 4652  df-iota 5193  df-fun 5233  df-fn 5234  df-f 5235  df-f1 5236  df-f1o 5238  df-fv 5239  df-isom 5240  df-le 8016

This theorem is referenced by:  seq3coll  10840  summodclem2a  11407  prodmodclem2a  11602