Theorem nninfdclemlt 13342

Description: Lemma for nninfdc 13344. The function from nninfdclemf 13340 is strictly monotonic. (Contributed by Jim Kingdon, 24-Sep-2024.)

Hypotheses

Ref	Expression
nninfdclemf.a	|- ( ph -> A C_ NN )
nninfdclemf.dc	|- ( ph -> A. x e. NN DECID x e. A )
nninfdclemf.nb	|- ( ph -> A. m e. NN E. n e. A m < n )
nninfdclemf.j	|- ( ph -> ( J e. A /\ 1 < J ) )
nninfdclemf.f	|- F = seq 1 ( ( y e. NN , z e. NN |-> inf ( ( A i^i ( ZZ>= ` ( y + 1 ) ) ) , RR , < ) ) , ( i e. NN |-> J ) )
nninfdclemlt.u	|- ( ph -> U e. NN )
nninfdclemlt.v	|- ( ph -> V e. NN )
nninfdclemlt.lt	|- ( ph -> U < V )

Assertion

Ref	Expression
nninfdclemlt	|- ( ph -> ( F ` U ) < ( F ` V ) )

Distinct variable groups:   A, m, n   x, A   y, A, z   m, F, n   x, F   y, F, z   i, J   U, i   U, m, n   x, U   y, U, z   y, J, z

Allowed substitution hints:   ph( x, y, z, i, m, n)   A( i)   F( i)   J( x, m, n)   V( x, y, z, i, m, n)

Proof of Theorem nninfdclemlt

Dummy variables k w are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		nninfdclemlt.u	. . . . . 6 |- ( ph -> U e. NN )
2	1	peano2nnd 9319	. . . . 5 |- ( ph -> ( U + 1 ) e. NN )
3	2	nnzd 9767	. . . 4 |- ( ph -> ( U + 1 ) e. ZZ )
4		nninfdclemlt.v	. . . . 5 |- ( ph -> V e. NN )
5	4	nnzd 9767	. . . 4 |- ( ph -> V e. ZZ )
6		nninfdclemlt.lt	. . . . 5 |- ( ph -> U < V )
7		nnltp1le 9705	. . . . . 6 |- ( ( U e. NN /\ V e. NN ) -> ( U < V <-> ( U + 1 ) <_ V ) )
8	1, 4, 7	syl2anc 415	. . . . 5 |- ( ph -> ( U < V <-> ( U + 1 ) <_ V ) )
9	6, 8	mpbid 147	. . . 4 |- ( ph -> ( U + 1 ) <_ V )
10		eluz2 9927	. . . 4 |- ( V e. ( ZZ>= ` ( U + 1 ) ) <-> ( ( U + 1 ) e. ZZ /\ V e. ZZ /\ ( U + 1 ) <_ V ) )
11	3, 5, 9, 10	syl3anbrc 1212	. . 3 |- ( ph -> V e. ( ZZ>= ` ( U + 1 ) ) )
12		eluzfz2 10436	. . 3 |- ( V e. ( ZZ>= ` ( U + 1 ) ) -> V e. ( ( U + 1 ) ... V ) )
13	11, 12	syl 14	. 2 |- ( ph -> V e. ( ( U + 1 ) ... V ) )
14		fveq2 5695	. . . . 5 |- ( w = ( U + 1 ) -> ( F ` w ) = ( F ` ( U + 1 ) ) )
15	14	breq2d 4142	. . . 4 |- ( w = ( U + 1 ) -> ( ( F ` U ) < ( F ` w ) <-> ( F ` U ) < ( F ` ( U + 1 ) ) ) )
16	15	imbi2d 230	. . 3 |- ( w = ( U + 1 ) -> ( ( ph -> ( F ` U ) < ( F ` w ) ) <-> ( ph -> ( F ` U ) < ( F ` ( U + 1 ) ) ) ) )
17		fveq2 5695	. . . . 5 |- ( w = k -> ( F ` w ) = ( F ` k ) )
18	17	breq2d 4142	. . . 4 |- ( w = k -> ( ( F ` U ) < ( F ` w ) <-> ( F ` U ) < ( F ` k ) ) )
19	18	imbi2d 230	. . 3 |- ( w = k -> ( ( ph -> ( F ` U ) < ( F ` w ) ) <-> ( ph -> ( F ` U ) < ( F ` k ) ) ) )
20		fveq2 5695	. . . . 5 |- ( w = ( k + 1 ) -> ( F ` w ) = ( F ` ( k + 1 ) ) )
21	20	breq2d 4142	. . . 4 |- ( w = ( k + 1 ) -> ( ( F ` U ) < ( F ` w ) <-> ( F ` U ) < ( F ` ( k + 1 ) ) ) )
22	21	imbi2d 230	. . 3 |- ( w = ( k + 1 ) -> ( ( ph -> ( F ` U ) < ( F ` w ) ) <-> ( ph -> ( F ` U ) < ( F ` ( k + 1 ) ) ) ) )
23		fveq2 5695	. . . . 5 |- ( w = V -> ( F ` w ) = ( F ` V ) )
24	23	breq2d 4142	. . . 4 |- ( w = V -> ( ( F ` U ) < ( F ` w ) <-> ( F ` U ) < ( F ` V ) ) )
25	24	imbi2d 230	. . 3 |- ( w = V -> ( ( ph -> ( F ` U ) < ( F ` w ) ) <-> ( ph -> ( F ` U ) < ( F ` V ) ) ) )
26		nninfdclemf.a	. . . . 5 |- ( ph -> A C_ NN )
27		nninfdclemf.dc	. . . . 5 |- ( ph -> A. x e. NN DECID x e. A )
28		nninfdclemf.nb	. . . . 5 |- ( ph -> A. m e. NN E. n e. A m < n )
29		nninfdclemf.j	. . . . 5 |- ( ph -> ( J e. A /\ 1 < J ) )
30		nninfdclemf.f	. . . . 5 |- F = seq 1 ( ( y e. NN , z e. NN |-> inf ( ( A i^i ( ZZ>= ` ( y + 1 ) ) ) , RR , < ) ) , ( i e. NN |-> J ) )
31	26, 27, 28, 29, 30, 1	nninfdclemp1 13341	. . . 4 |- ( ph -> ( F ` U ) < ( F ` ( U + 1 ) ) )
32	31	a1i 9	. . 3 |- ( V e. ( ZZ>= ` ( U + 1 ) ) -> ( ph -> ( F ` U ) < ( F ` ( U + 1 ) ) ) )
33	26	ad2antrr 492	. . . . . . . . 9 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> A C_ NN )
34	26, 27, 28, 29, 30	nninfdclemf 13340	. . . . . . . . . . 11 |- ( ph -> F : NN --> A )
35	34	ad2antrr 492	. . . . . . . . . 10 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> F : NN --> A )
36	1	ad2antrr 492	. . . . . . . . . 10 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> U e. NN )
37	35, 36	ffvelcdmd 5844	. . . . . . . . 9 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` U ) e. A )
38	33, 37	sseldd 3249	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` U ) e. NN )
39	38	nnred 9317	. . . . . . 7 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` U ) e. RR )
40		elfzoelz 10554	. . . . . . . . . . . 12 |- ( k e. ( ( U + 1 )..^ V ) -> k e. ZZ )
41	40	ad2antlr 493	. . . . . . . . . . 11 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> k e. ZZ )
42		1red 8341	. . . . . . . . . . . 12 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> 1 e. RR )
43	2	nnred 9317	. . . . . . . . . . . . 13 |- ( ph -> ( U + 1 ) e. RR )
44	43	ad2antrr 492	. . . . . . . . . . . 12 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( U + 1 ) e. RR )
45	41	zred 9768	. . . . . . . . . . . 12 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> k e. RR )
46	2	nnge1d 9347	. . . . . . . . . . . . 13 |- ( ph -> 1 <_ ( U + 1 ) )
47	46	ad2antrr 492	. . . . . . . . . . . 12 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> 1 <_ ( U + 1 ) )
48		elfzole1 10563	. . . . . . . . . . . . 13 |- ( k e. ( ( U + 1 )..^ V ) -> ( U + 1 ) <_ k )
49	48	ad2antlr 493	. . . . . . . . . . . 12 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( U + 1 ) <_ k )
50	42, 44, 45, 47, 49	letrd 8450	. . . . . . . . . . 11 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> 1 <_ k )
51		elnnz1 9667	. . . . . . . . . . 11 |- ( k e. NN <-> ( k e. ZZ /\ 1 <_ k ) )
52	41, 50, 51	sylanbrc 421	. . . . . . . . . 10 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> k e. NN )
53	35, 52	ffvelcdmd 5844	. . . . . . . . 9 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` k ) e. A )
54	33, 53	sseldd 3249	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` k ) e. NN )
55	54	nnred 9317	. . . . . . 7 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` k ) e. RR )
56	52	peano2nnd 9319	. . . . . . . . . 10 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( k + 1 ) e. NN )
57	35, 56	ffvelcdmd 5844	. . . . . . . . 9 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` ( k + 1 ) ) e. A )
58	33, 57	sseldd 3249	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` ( k + 1 ) ) e. NN )
59	58	nnred 9317	. . . . . . 7 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` ( k + 1 ) ) e. RR )
60		simpr 110	. . . . . . 7 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` U ) < ( F ` k ) )
61	27	ad2antrr 492	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> A. x e. NN DECID x e. A )
62	28	ad2antrr 492	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> A. m e. NN E. n e. A m < n )
63	29	ad2antrr 492	. . . . . . . 8 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( J e. A /\ 1 < J ) )
64	33, 61, 62, 63, 30, 52	nninfdclemp1 13341	. . . . . . 7 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` k ) < ( F ` ( k + 1 ) ) )
65	39, 55, 59, 60, 64	lttrd 8452	. . . . . 6 |- ( ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) /\ ( F ` U ) < ( F ` k ) ) -> ( F ` U ) < ( F ` ( k + 1 ) ) )
66	65	ex 115	. . . . 5 |- ( ( ph /\ k e. ( ( U + 1 )..^ V ) ) -> ( ( F ` U ) < ( F ` k ) -> ( F ` U ) < ( F ` ( k + 1 ) ) ) )
67	66	expcom 116	. . . 4 |- ( k e. ( ( U + 1 )..^ V ) -> ( ph -> ( ( F ` U ) < ( F ` k ) -> ( F ` U ) < ( F ` ( k + 1 ) ) ) ) )
68	67	a2d 26	. . 3 |- ( k e. ( ( U + 1 )..^ V ) -> ( ( ph -> ( F ` U ) < ( F ` k ) ) -> ( ph -> ( F ` U ) < ( F ` ( k + 1 ) ) ) ) )
69	16, 19, 22, 25, 32, 68	fzind2 10658	. 2 |- ( V e. ( ( U + 1 ) ... V ) -> ( ph -> ( F ` U ) < ( F ` V ) ) )
70	13, 69	mpcom 36	1 |- ( ph -> ( F ` U ) < ( F ` V ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   <-> wb 105  DECID wdc 846   = wceq 1402   e. wcel 2209   A.wral 2528   E.wrex 2529   i^i cin 3219   C_ wss 3220   class class class wbr 4130   |-> cmpt 4192   -->wf 5373   ` cfv 5377  (class class class)co 6085   e. cmpo 6087  infcinf 7323   RRcr 8178   1c1 8180   + caddc 8182   < clt 8360   <_ cle 8361   NNcn 9304   ZZcz 9644   ZZ>=cuz 9921   ...cfz 10411  ..^cfzo 10549   seqcseq 10884

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-addcom 8279  ax-addass 8281  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-apti 8294  ax-pre-ltadd 8295

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-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-isom 5386  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-sup 7324  df-inf 7325  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-inn 9305  df-n0 9564  df-z 9645  df-uz 9922  df-fz 10412  df-fzo 10550  df-seqfrec 10885

This theorem is used by:  nninfdclemf1  13343