Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > monoord2xr | Structured version Visualization version GIF version |
Description: Ordering relation for a monotonic sequence, decreasing case. (Contributed by Glauco Siliprandi, 13-Feb-2022.) |
Ref | Expression |
---|---|
monoord2xr.p | ⊢ Ⅎ𝑘𝜑 |
monoord2xr.k | ⊢ Ⅎ𝑘𝐹 |
monoord2xr.n | ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀)) |
monoord2xr.x | ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...𝑁)) → (𝐹‘𝑘) ∈ ℝ*) |
monoord2xr.l | ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) |
Ref | Expression |
---|---|
monoord2xr | ⊢ (𝜑 → (𝐹‘𝑁) ≤ (𝐹‘𝑀)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | monoord2xr.n | . 2 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀)) | |
2 | monoord2xr.p | . . . . 5 ⊢ Ⅎ𝑘𝜑 | |
3 | nfv 1922 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ (𝑀...𝑁) | |
4 | 2, 3 | nfan 1907 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) |
5 | monoord2xr.k | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
6 | nfcv 2904 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
7 | 5, 6 | nffv 6727 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
8 | nfcv 2904 | . . . . 5 ⊢ Ⅎ𝑘ℝ* | |
9 | 7, 8 | nfel 2918 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘𝑗) ∈ ℝ* |
10 | 4, 9 | nfim 1904 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ∈ ℝ*) |
11 | eleq1w 2820 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ (𝑀...𝑁) ↔ 𝑗 ∈ (𝑀...𝑁))) | |
12 | 11 | anbi2d 632 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ (𝑀...𝑁)) ↔ (𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)))) |
13 | fveq2 6717 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
14 | 13 | eleq1d 2822 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) ∈ ℝ* ↔ (𝐹‘𝑗) ∈ ℝ*)) |
15 | 12, 14 | imbi12d 348 | . . 3 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ (𝑀...𝑁)) → (𝐹‘𝑘) ∈ ℝ*) ↔ ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ∈ ℝ*))) |
16 | monoord2xr.x | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...𝑁)) → (𝐹‘𝑘) ∈ ℝ*) | |
17 | 10, 15, 16 | chvarfv 2238 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ∈ ℝ*) |
18 | nfv 1922 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ (𝑀...(𝑁 − 1)) | |
19 | 2, 18 | nfan 1907 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ (𝑀...(𝑁 − 1))) |
20 | nfcv 2904 | . . . . . 6 ⊢ Ⅎ𝑘(𝑗 + 1) | |
21 | 5, 20 | nffv 6727 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) |
22 | nfcv 2904 | . . . . 5 ⊢ Ⅎ𝑘 ≤ | |
23 | 21, 22, 7 | nfbr 5100 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗) |
24 | 19, 23 | nfim 1904 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
25 | eleq1w 2820 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ (𝑀...(𝑁 − 1)) ↔ 𝑗 ∈ (𝑀...(𝑁 − 1)))) | |
26 | 25 | anbi2d 632 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 − 1))) ↔ (𝜑 ∧ 𝑗 ∈ (𝑀...(𝑁 − 1))))) |
27 | fvoveq1 7236 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘(𝑘 + 1)) = (𝐹‘(𝑗 + 1))) | |
28 | 27, 13 | breq12d 5066 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘) ↔ (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗))) |
29 | 26, 28 | imbi12d 348 | . . 3 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) ↔ ((𝜑 ∧ 𝑗 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)))) |
30 | monoord2xr.l | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) | |
31 | 24, 29, 30 | chvarfv 2238 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(𝑁 − 1))) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
32 | 1, 17, 31 | monoord2xrv 42699 | 1 ⊢ (𝜑 → (𝐹‘𝑁) ≤ (𝐹‘𝑀)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 Ⅎwnf 1791 ∈ wcel 2110 Ⅎwnfc 2884 class class class wbr 5053 ‘cfv 6380 (class class class)co 7213 1c1 10730 + caddc 10732 ℝ*cxr 10866 ≤ cle 10868 − cmin 11062 ℤ≥cuz 12438 ...cfz 13095 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-n0 12091 df-z 12177 df-uz 12439 df-xneg 12704 df-fz 13096 |
This theorem is referenced by: (None) |
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