Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > sge0lempt | Structured version Visualization version GIF version |
Description: If all of the terms of sums compare, so do the sums. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
sge0lempt.xph | ⊢ Ⅎ𝑥𝜑 |
sge0lempt.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
sge0lempt.b | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) |
sge0lempt.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) |
sge0lempt.le | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ≤ 𝐶) |
Ref | Expression |
---|---|
sge0lempt | ⊢ (𝜑 → (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐵)) ≤ (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sge0lempt.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
2 | sge0lempt.xph | . . 3 ⊢ Ⅎ𝑥𝜑 | |
3 | sge0lempt.b | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
4 | eqid 2610 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
5 | 2, 3, 4 | fmptdf 6294 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶(0[,]+∞)) |
6 | sge0lempt.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) | |
7 | eqid 2610 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐴 ↦ 𝐶) | |
8 | 2, 6, 7 | fmptdf 6294 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶):𝐴⟶(0[,]+∞)) |
9 | nfv 1830 | . . . . . 6 ⊢ Ⅎ𝑥 𝑦 ∈ 𝐴 | |
10 | 2, 9 | nfan 1816 | . . . . 5 ⊢ Ⅎ𝑥(𝜑 ∧ 𝑦 ∈ 𝐴) |
11 | nfcv 2751 | . . . . . . 7 ⊢ Ⅎ𝑥𝑦 | |
12 | 11 | nfcsb1 3514 | . . . . . 6 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐵 |
13 | nfcv 2751 | . . . . . 6 ⊢ Ⅎ𝑥 ≤ | |
14 | 11 | nfcsb1 3514 | . . . . . 6 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐶 |
15 | 12, 13, 14 | nfbr 4629 | . . . . 5 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶 |
16 | 10, 15 | nfim 1813 | . . . 4 ⊢ Ⅎ𝑥((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶) |
17 | eleq1 2676 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑥 ∈ 𝐴 ↔ 𝑦 ∈ 𝐴)) | |
18 | 17 | anbi2d 736 | . . . . 5 ⊢ (𝑥 = 𝑦 → ((𝜑 ∧ 𝑥 ∈ 𝐴) ↔ (𝜑 ∧ 𝑦 ∈ 𝐴))) |
19 | csbeq1a 3508 | . . . . . 6 ⊢ (𝑥 = 𝑦 → 𝐵 = ⦋𝑦 / 𝑥⦌𝐵) | |
20 | csbeq1a 3508 | . . . . . 6 ⊢ (𝑥 = 𝑦 → 𝐶 = ⦋𝑦 / 𝑥⦌𝐶) | |
21 | 19, 20 | breq12d 4596 | . . . . 5 ⊢ (𝑥 = 𝑦 → (𝐵 ≤ 𝐶 ↔ ⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶)) |
22 | 18, 21 | imbi12d 333 | . . . 4 ⊢ (𝑥 = 𝑦 → (((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ≤ 𝐶) ↔ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶))) |
23 | sge0lempt.le | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ≤ 𝐶) | |
24 | 16, 22, 23 | chvar 2250 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶) |
25 | simpr 476 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → 𝑦 ∈ 𝐴) | |
26 | simpl 472 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → 𝜑) | |
27 | 12 | nfel1 2765 | . . . . . . . 8 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞) |
28 | 10, 27 | nfim 1813 | . . . . . . 7 ⊢ Ⅎ𝑥((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞)) |
29 | 19 | eleq1d 2672 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝐵 ∈ (0[,]+∞) ↔ ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞))) |
30 | 18, 29 | imbi12d 333 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) ↔ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞)))) |
31 | 28, 30, 3 | chvar 2250 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞)) |
32 | 26, 25, 31 | syl2anc 691 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞)) |
33 | 11, 12, 19, 4 | fvmptf 6209 | . . . . 5 ⊢ ((𝑦 ∈ 𝐴 ∧ ⦋𝑦 / 𝑥⦌𝐵 ∈ (0[,]+∞)) → ((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝑦) = ⦋𝑦 / 𝑥⦌𝐵) |
34 | 25, 32, 33 | syl2anc 691 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝑦) = ⦋𝑦 / 𝑥⦌𝐵) |
35 | nfcv 2751 | . . . . . . . . 9 ⊢ Ⅎ𝑥(0[,]+∞) | |
36 | 14, 35 | nfel 2763 | . . . . . . . 8 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞) |
37 | 10, 36 | nfim 1813 | . . . . . . 7 ⊢ Ⅎ𝑥((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞)) |
38 | 20 | eleq1d 2672 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝐶 ∈ (0[,]+∞) ↔ ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞))) |
39 | 18, 38 | imbi12d 333 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ (0[,]+∞)) ↔ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞)))) |
40 | 37, 39, 6 | chvar 2250 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞)) |
41 | 26, 25, 40 | syl2anc 691 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞)) |
42 | 11, 14, 20, 7 | fvmptf 6209 | . . . . 5 ⊢ ((𝑦 ∈ 𝐴 ∧ ⦋𝑦 / 𝑥⦌𝐶 ∈ (0[,]+∞)) → ((𝑥 ∈ 𝐴 ↦ 𝐶)‘𝑦) = ⦋𝑦 / 𝑥⦌𝐶) |
43 | 25, 41, 42 | syl2anc 691 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ((𝑥 ∈ 𝐴 ↦ 𝐶)‘𝑦) = ⦋𝑦 / 𝑥⦌𝐶) |
44 | 34, 43 | breq12d 4596 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → (((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝑦) ≤ ((𝑥 ∈ 𝐴 ↦ 𝐶)‘𝑦) ↔ ⦋𝑦 / 𝑥⦌𝐵 ≤ ⦋𝑦 / 𝑥⦌𝐶)) |
45 | 24, 44 | mpbird 246 | . 2 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐴) → ((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝑦) ≤ ((𝑥 ∈ 𝐴 ↦ 𝐶)‘𝑦)) |
46 | 1, 5, 8, 45 | sge0le 39300 | 1 ⊢ (𝜑 → (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐵)) ≤ (Σ^‘(𝑥 ∈ 𝐴 ↦ 𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 Ⅎwnf 1699 ∈ wcel 1977 ⦋csb 3499 class class class wbr 4583 ↦ cmpt 4643 ‘cfv 5804 (class class class)co 6549 0cc0 9815 +∞cpnf 9950 ≤ cle 9954 [,]cicc 12049 Σ^csumge0 39255 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-fal 1481 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-sup 8231 df-oi 8298 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-ico 12052 df-icc 12053 df-fz 12198 df-fzo 12335 df-seq 12664 df-exp 12723 df-hash 12980 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-clim 14067 df-sum 14265 df-sumge0 39256 |
This theorem is referenced by: sge0iunmptlemre 39308 sge0xadd 39328 meaiunlelem 39361 hoicvrrex 39446 ovnsubaddlem1 39460 sge0hsphoire 39479 hoidmv1lelem1 39481 hoidmv1lelem2 39482 hoidmv1lelem3 39483 hoidmvlelem1 39485 hoidmvlelem2 39486 hoidmvlelem4 39488 hspmbllem2 39517 ovolval5lem1 39542 |
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