Theorem leisorel 11213

Description: Version of isorel 5983 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 1024	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> F Isom < , < ( A , B ) )
2		simp3r 1053	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> D e. A )
3		simp3l 1052	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> C e. A )
4		isorel 5983	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( D e. A /\ C e. A ) ) -> ( D < C <-> ( F ` D ) < ( F ` C ) ) )
5	4	notbid 673	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( D e. A /\ C e. A ) ) -> ( -. D < C <-> -. ( F ` D ) < ( F ` C ) ) )
6	1, 2, 3, 5	syl12anc 1272	. 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 1050	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> A C_ RR* )
8	7, 3	sseldd 3241	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> C e. RR* )
9	7, 2	sseldd 3241	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> D e. RR* )
10		xrlenlt 8340	. . 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 1051	. . . 4 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> B C_ RR* )
13		isof1o 5982	. . . . . 6 |- ( F Isom < , < ( A , B ) -> F : A -1-1-onto-> B )
14		f1of 5616	. . . . . 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 5815	. . . 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 3241	. . 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 5815	. . . 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 3241	. . 3 |- ( ( F Isom < , < ( A , B ) /\ ( A C_ RR* /\ B C_ RR* ) /\ ( C e. A /\ D e. A ) ) -> ( F ` D ) e. RR* )
20		xrlenlt 8340	. . 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 1005   e. wcel 2205   C_ wss 3213   class class class wbr 4111   -->wf 5350   -1-1-onto->wf1o 5353   ` cfv 5354   Isom wiso 5355   RR*cxr 8309   < clt 8310   <_ cle 8311

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-14 2208  ax-ext 2216  ax-sep 4230  ax-pow 4289  ax-pr 4324

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-sbc 3045  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-br 4112  df-opab 4174  df-id 4416  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-f1o 5361  df-fv 5362  df-isom 5363  df-le 8316

This theorem is referenced by:  seq3coll  11218  summodclem2a  12071  prodmodclem2a  12266