Theorem climle 12100

Description: Comparison of the limits of two sequences. (Contributed by Paul Chapman, 10-Sep-2007.) (Revised by Mario Carneiro, 1-Feb-2014.)

Hypotheses

Ref	Expression
climadd.1	|- Z = ( ZZ>= ` M )
climadd.2	|- ( ph -> M e. ZZ )
climadd.4	|- ( ph -> F ~~> A )
climle.5	|- ( ph -> G ~~> B )
climle.6	|- ( ( ph /\ k e. Z ) -> ( F ` k ) e. RR )
climle.7	|- ( ( ph /\ k e. Z ) -> ( G ` k ) e. RR )
climle.8	|- ( ( ph /\ k e. Z ) -> ( F ` k ) <_ ( G ` k ) )

Assertion

Ref	Expression
climle	|- ( ph -> A <_ B )

Distinct variable groups:   B, k   k, F   ph, k   A, k   k, G   k, M   k, Z

Proof of Theorem climle

Dummy variable j is distinct from all other variables.

Step	Hyp	Ref	Expression
1		climadd.1	. . 3 |- Z = ( ZZ>= ` M )
2		climadd.2	. . 3 |- ( ph -> M e. ZZ )
3		climle.5	. . . 4 |- ( ph -> G ~~> B )
4		zex 9653	. . . . . . . 8 |- ZZ e. _V
5		uzssz 9942	. . . . . . . 8 |- ( ZZ>= ` M ) C_ ZZ
6	4, 5	ssexi 4271	. . . . . . 7 |- ( ZZ>= ` M ) e. _V
7	1, 6	eqeltri 2311	. . . . . 6 |- Z e. _V
8	7	mptex 5943	. . . . 5 |- ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) e. _V
9	8	a1i 9	. . . 4 |- ( ph -> ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) e. _V )
10		climadd.4	. . . 4 |- ( ph -> F ~~> A )
11		climle.7	. . . . 5 |- ( ( ph /\ k e. Z ) -> ( G ` k ) e. RR )
12	11	recnd 8354	. . . 4 |- ( ( ph /\ k e. Z ) -> ( G ` k ) e. CC )
13		climle.6	. . . . 5 |- ( ( ph /\ k e. Z ) -> ( F ` k ) e. RR )
14	13	recnd 8354	. . . 4 |- ( ( ph /\ k e. Z ) -> ( F ` k ) e. CC )
15		simpr 110	. . . . 5 |- ( ( ph /\ k e. Z ) -> k e. Z )
16	11, 13	resubcld 8708	. . . . 5 |- ( ( ph /\ k e. Z ) -> ( ( G ` k ) - ( F ` k ) ) e. RR )
17		fveq2 5695	. . . . . . 7 |- ( j = k -> ( G ` j ) = ( G ` k ) )
18		fveq2 5695	. . . . . . 7 |- ( j = k -> ( F ` j ) = ( F ` k ) )
19	17, 18	oveq12d 6103	. . . . . 6 |- ( j = k -> ( ( G ` j ) - ( F ` j ) ) = ( ( G ` k ) - ( F ` k ) ) )
20		eqid 2238	. . . . . 6 |- ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) = ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) )
21	19, 20	fvmptg 5781	. . . . 5 |- ( ( k e. Z /\ ( ( G ` k ) - ( F ` k ) ) e. RR ) -> ( ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) ` k ) = ( ( G ` k ) - ( F ` k ) ) )
22	15, 16, 21	syl2anc 415	. . . 4 |- ( ( ph /\ k e. Z ) -> ( ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) ` k ) = ( ( G ` k ) - ( F ` k ) ) )
23	1, 2, 3, 9, 10, 12, 14, 22	climsub 12094	. . 3 |- ( ph -> ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) ~~> ( B - A ) )
24	22, 16	eqeltrd 2315	. . 3 |- ( ( ph /\ k e. Z ) -> ( ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) ` k ) e. RR )
25		climle.8	. . . . 5 |- ( ( ph /\ k e. Z ) -> ( F ` k ) <_ ( G ` k ) )
26	11, 13	subge0d 8863	. . . . 5 |- ( ( ph /\ k e. Z ) -> ( 0 <_ ( ( G ` k ) - ( F ` k ) ) <-> ( F ` k ) <_ ( G ` k ) ) )
27	25, 26	mpbird 167	. . . 4 |- ( ( ph /\ k e. Z ) -> 0 <_ ( ( G ` k ) - ( F ` k ) ) )
28	27, 22	breqtrrd 4158	. . 3 |- ( ( ph /\ k e. Z ) -> 0 <_ ( ( j e. Z |-> ( ( G ` j ) - ( F ` j ) ) ) ` k ) )
29	1, 2, 23, 24, 28	climge0 12091	. 2 |- ( ph -> 0 <_ ( B - A ) )
30	1, 2, 3, 11	climrecl 12090	. . 3 |- ( ph -> B e. RR )
31	1, 2, 10, 13	climrecl 12090	. . 3 |- ( ph -> A e. RR )
32	30, 31	subge0d 8863	. 2 |- ( ph -> ( 0 <_ ( B - A ) <-> A <_ B ) )
33	29, 32	mpbid 147	1 |- ( ph -> A <_ B )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   = wceq 1402   e. wcel 2209   _Vcvv 2821   class class class wbr 4130   |-> cmpt 4192   ` cfv 5377  (class class class)co 6085   RRcr 8178   0cc0 8179   <_ cle 8361   - cmin 8497   ZZcz 9644   ZZ>=cuz 9921   ~~> cli 12044

This proof depends on 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 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-mulrcl 8278  ax-addcom 8279  ax-mulcom 8280  ax-addass 8281  ax-mulass 8282  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-1rid 8286  ax-0id 8287  ax-rnegex 8288  ax-precex 8289  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-apti 8294  ax-pre-ltadd 8295  ax-pre-mulgt0 8296  ax-pre-mulext 8297  ax-arch 8298  ax-caucvg 8299

This proof 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-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  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-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-frec 6662  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-reap 8903  df-ap 8910  df-div 9003  df-inn 9305  df-2 9363  df-3 9364  df-4 9365  df-n0 9564  df-z 9645  df-uz 9922  df-rp 10055  df-seqfrec 10885  df-exp 10976  df-cj 11607  df-re 11608  df-im 11609  df-rsqrt 11764  df-abs 11765  df-clim 12045

This theorem is used by:  climlec2  12107  iserle  12108  iserabs  12242  cvgcmpub  12243