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| Mirrors > Home > MPE Home > Th. List > Mathboxes > vonn0icc2 | Structured version Visualization version GIF version | ||
| Description: The n-dimensional Lebesgue measure of a closed interval, when the dimension of the space is nonzero. This is the second statement in Proposition 115G (d) of [Fremlin1] p. 32. (Contributed by Glauco Siliprandi, 8-Apr-2021.) |
| Ref | Expression |
|---|---|
| vonn0icc2.k | ⊢ Ⅎ𝑘𝜑 |
| vonn0icc2.x | ⊢ (𝜑 → 𝑋 ∈ Fin) |
| vonn0icc2.n | ⊢ (𝜑 → 𝑋 ≠ ∅) |
| vonn0icc2.a | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐴 ∈ ℝ) |
| vonn0icc2.b | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐵 ∈ ℝ) |
| vonn0icc2.i | ⊢ 𝐼 = X𝑘 ∈ 𝑋 (𝐴[,]𝐵) |
| Ref | Expression |
|---|---|
| vonn0icc2 | ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = ∏𝑘 ∈ 𝑋 (vol‘(𝐴[,]𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vonn0icc2.i | . . . . 5 ⊢ 𝐼 = X𝑘 ∈ 𝑋 (𝐴[,]𝐵) | |
| 2 | 1 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐼 = X𝑘 ∈ 𝑋 (𝐴[,]𝐵)) |
| 3 | simpr 489 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → 𝑗 ∈ 𝑋) | |
| 4 | vonn0icc2.k | . . . . . . . . . . 11 ⊢ Ⅎ𝑘𝜑 | |
| 5 | nfv 1941 | . . . . . . . . . . 11 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑋 | |
| 6 | 4, 5 | nfan 1926 | . . . . . . . . . 10 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑋) |
| 7 | nfcsb1v 3885 | . . . . . . . . . . 11 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 | |
| 8 | nfcv 2931 | . . . . . . . . . . 11 ⊢ Ⅎ𝑘ℝ | |
| 9 | 7, 8 | nfel 2945 | . . . . . . . . . 10 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ |
| 10 | 6, 9 | nfim 1923 | . . . . . . . . 9 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ) |
| 11 | eleq1w 2852 | . . . . . . . . . . 11 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑋 ↔ 𝑗 ∈ 𝑋)) | |
| 12 | 11 | anbi2d 641 | . . . . . . . . . 10 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑋) ↔ (𝜑 ∧ 𝑗 ∈ 𝑋))) |
| 13 | csbeq1a 3875 | . . . . . . . . . . 11 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
| 14 | 13 | eleq1d 2854 | . . . . . . . . . 10 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ ℝ ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ)) |
| 15 | 12, 14 | imbi12d 347 | . . . . . . . . 9 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐴 ∈ ℝ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ))) |
| 16 | vonn0icc2.a | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐴 ∈ ℝ) | |
| 17 | 10, 15, 16 | chvarfv 2282 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ) |
| 18 | eqid 2769 | . . . . . . . . 9 ⊢ (𝑘 ∈ 𝑋 ↦ 𝐴) = (𝑘 ∈ 𝑋 ↦ 𝐴) | |
| 19 | 18 | fvmpts 6996 | . . . . . . . 8 ⊢ ((𝑗 ∈ 𝑋 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℝ) → ((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
| 20 | 3, 17, 19 | syl2anc 595 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
| 21 | nfcsb1v 3885 | . . . . . . . . . . 11 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 | |
| 22 | 21, 8 | nfel 2945 | . . . . . . . . . 10 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ |
| 23 | 6, 22 | nfim 1923 | . . . . . . . . 9 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ) |
| 24 | csbeq1a 3875 | . . . . . . . . . . 11 ⊢ (𝑘 = 𝑗 → 𝐵 = ⦋𝑗 / 𝑘⦌𝐵) | |
| 25 | 24 | eleq1d 2854 | . . . . . . . . . 10 ⊢ (𝑘 = 𝑗 → (𝐵 ∈ ℝ ↔ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ)) |
| 26 | 12, 25 | imbi12d 347 | . . . . . . . . 9 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐵 ∈ ℝ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ))) |
| 27 | vonn0icc2.b | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐵 ∈ ℝ) | |
| 28 | 23, 26, 27 | chvarfv 2282 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ) |
| 29 | eqid 2769 | . . . . . . . . 9 ⊢ (𝑘 ∈ 𝑋 ↦ 𝐵) = (𝑘 ∈ 𝑋 ↦ 𝐵) | |
| 30 | 29 | fvmpts 6996 | . . . . . . . 8 ⊢ ((𝑗 ∈ 𝑋 ∧ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℝ) → ((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
| 31 | 3, 28, 30 | syl2anc 595 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → ((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
| 32 | 20, 31 | oveq12d 7431 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)) = (⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) |
| 33 | 32 | ixpeq2dva 8912 | . . . . 5 ⊢ (𝜑 → X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)) = X𝑗 ∈ 𝑋 (⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) |
| 34 | nfcv 2931 | . . . . . . . 8 ⊢ Ⅎ𝑘[,] | |
| 35 | 7, 34, 21 | nfov 7443 | . . . . . . 7 ⊢ Ⅎ𝑘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵) |
| 36 | nfcv 2931 | . . . . . . 7 ⊢ Ⅎ𝑗(𝐴[,]𝐵) | |
| 37 | 13 | equcoms 2047 | . . . . . . . . . 10 ⊢ (𝑗 = 𝑘 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) |
| 38 | 37 | eqcomd 2775 | . . . . . . . . 9 ⊢ (𝑗 = 𝑘 → ⦋𝑗 / 𝑘⦌𝐴 = 𝐴) |
| 39 | eqidd 2770 | . . . . . . . . 9 ⊢ (𝑗 = 𝑘 → 𝐴 = 𝐴) | |
| 40 | 38, 39 | eqtrd 2804 | . . . . . . . 8 ⊢ (𝑗 = 𝑘 → ⦋𝑗 / 𝑘⦌𝐴 = 𝐴) |
| 41 | 24 | equcoms 2047 | . . . . . . . . 9 ⊢ (𝑗 = 𝑘 → 𝐵 = ⦋𝑗 / 𝑘⦌𝐵) |
| 42 | 41 | eqcomd 2775 | . . . . . . . 8 ⊢ (𝑗 = 𝑘 → ⦋𝑗 / 𝑘⦌𝐵 = 𝐵) |
| 43 | 40, 42 | oveq12d 7431 | . . . . . . 7 ⊢ (𝑗 = 𝑘 → (⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵) = (𝐴[,]𝐵)) |
| 44 | 35, 36, 43 | cbvixp 8914 | . . . . . 6 ⊢ X𝑗 ∈ 𝑋 (⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵) = X𝑘 ∈ 𝑋 (𝐴[,]𝐵) |
| 45 | 44 | a1i 11 | . . . . 5 ⊢ (𝜑 → X𝑗 ∈ 𝑋 (⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵) = X𝑘 ∈ 𝑋 (𝐴[,]𝐵)) |
| 46 | 33, 45 | eqtrd 2804 | . . . 4 ⊢ (𝜑 → X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)) = X𝑘 ∈ 𝑋 (𝐴[,]𝐵)) |
| 47 | 2, 46 | eqtr4d 2807 | . . 3 ⊢ (𝜑 → 𝐼 = X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗))) |
| 48 | 47 | fveq2d 6888 | . 2 ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = ((voln‘𝑋)‘X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)))) |
| 49 | vonn0icc2.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ Fin) | |
| 50 | vonn0icc2.n | . . 3 ⊢ (𝜑 → 𝑋 ≠ ∅) | |
| 51 | 4, 16, 18 | fmptdf 7115 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝑋 ↦ 𝐴):𝑋⟶ℝ) |
| 52 | 4, 27, 29 | fmptdf 7115 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝑋 ↦ 𝐵):𝑋⟶ℝ) |
| 53 | eqid 2769 | . . 3 ⊢ X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)) = X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)) | |
| 54 | 49, 50, 51, 52, 53 | vonn0icc 47331 | . 2 ⊢ (𝜑 → ((voln‘𝑋)‘X𝑗 ∈ 𝑋 (((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗))) = ∏𝑗 ∈ 𝑋 (vol‘(((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗)))) |
| 55 | 32 | fveq2d 6888 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑋) → (vol‘(((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗))) = (vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵))) |
| 56 | 55 | prodeq2dv 15978 | . . 3 ⊢ (𝜑 → ∏𝑗 ∈ 𝑋 (vol‘(((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗))) = ∏𝑗 ∈ 𝑋 (vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵))) |
| 57 | 43 | fveq2d 6888 | . . . . 5 ⊢ (𝑗 = 𝑘 → (vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) = (vol‘(𝐴[,]𝐵))) |
| 58 | nfcv 2931 | . . . . 5 ⊢ Ⅎ𝑘𝑋 | |
| 59 | nfcv 2931 | . . . . 5 ⊢ Ⅎ𝑗𝑋 | |
| 60 | nfcv 2931 | . . . . . 6 ⊢ Ⅎ𝑘vol | |
| 61 | 60, 35 | nffv 6894 | . . . . 5 ⊢ Ⅎ𝑘(vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) |
| 62 | nfcv 2931 | . . . . 5 ⊢ Ⅎ𝑗(vol‘(𝐴[,]𝐵)) | |
| 63 | 57, 58, 59, 61, 62 | cbvprod 15969 | . . . 4 ⊢ ∏𝑗 ∈ 𝑋 (vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘(𝐴[,]𝐵)) |
| 64 | 63 | a1i 11 | . . 3 ⊢ (𝜑 → ∏𝑗 ∈ 𝑋 (vol‘(⦋𝑗 / 𝑘⦌𝐴[,]⦋𝑗 / 𝑘⦌𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘(𝐴[,]𝐵))) |
| 65 | 56, 64 | eqtrd 2804 | . 2 ⊢ (𝜑 → ∏𝑗 ∈ 𝑋 (vol‘(((𝑘 ∈ 𝑋 ↦ 𝐴)‘𝑗)[,]((𝑘 ∈ 𝑋 ↦ 𝐵)‘𝑗))) = ∏𝑘 ∈ 𝑋 (vol‘(𝐴[,]𝐵))) |
| 66 | 48, 54, 65 | 3eqtrd 2808 | 1 ⊢ (𝜑 → ((voln‘𝑋)‘𝐼) = ∏𝑘 ∈ 𝑋 (vol‘(𝐴[,]𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 Ⅎwnf 1810 ∈ wcel 2149 ≠ wne 2964 ⦋csb 3861 ∅c0 4294 ↦ cmpt 5196 ‘cfv 6539 (class class class)co 7413 Xcixp 8897 Fincfn 8945 ℝcr 11101 [,]cicc 13377 ∏cprod 15959 volcvol 25593 volncvoln 47181 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5273 ax-pow 5339 ax-pr 5407 ax-un 7735 ax-inf2 9612 ax-cc 10421 ax-ac2 10449 ax-cnex 11158 ax-resscn 11159 ax-1cn 11160 ax-icn 11161 ax-addcl 11162 ax-addrcl 11163 ax-mulcl 11164 ax-mulrcl 11165 ax-mulcom 11166 ax-addass 11167 ax-mulass 11168 ax-distr 11169 ax-i2m1 11170 ax-1ne0 11171 ax-1rid 11172 ax-rnegex 11173 ax-rrecex 11174 ax-cnre 11175 ax-pre-lttri 11176 ax-pre-lttrn 11177 ax-pre-ltadd 11178 ax-pre-mulgt0 11179 ax-pre-sup 11180 ax-addf 11181 ax-mulf 11182 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-iin 4963 df-disj 5081 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5559 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-se 5618 df-we 5619 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-res 5676 df-ima 5677 df-pred 6305 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6495 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-isom 6548 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7677 df-om 7865 df-1st 7988 df-2nd 7989 df-supp 8159 df-tpos 8224 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-2o 8456 df-oadd 8459 df-omul 8460 df-er 8696 df-map 8828 df-pm 8829 df-ixp 8898 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-fsupp 9324 df-fi 9373 df-sup 9404 df-inf 9405 df-oi 9474 df-dju 9889 df-card 9927 df-acn 9930 df-ac 10102 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11445 df-neg 11446 df-div 11874 df-nn 12236 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12507 df-z 12594 df-dec 12714 df-uz 12865 df-q 12975 df-rp 13019 df-xneg 13139 df-xadd 13140 df-xmul 13141 df-ioo 13378 df-ico 13380 df-icc 13381 df-fz 13538 df-fzo 13685 df-fl 13827 df-seq 14040 df-exp 14100 df-hash 14369 df-cj 15152 df-re 15153 df-im 15154 df-sqrt 15288 df-abs 15289 df-clim 15541 df-rlim 15542 df-sum 15740 df-prod 15960 df-struct 17209 df-sets 17226 df-slot 17244 df-ndx 17256 df-base 17272 df-ress 17293 df-plusg 17325 df-mulr 17326 df-starv 17327 df-sca 17328 df-vsca 17329 df-ip 17330 df-tset 17331 df-ple 17332 df-ds 17334 df-unif 17335 df-hom 17336 df-cco 17337 df-rest 17477 df-topn 17478 df-0g 17496 df-gsum 17497 df-topgen 17498 df-pt 17499 df-prds 17502 df-pws 17504 df-xrs 17558 df-qtop 17563 df-imas 17564 df-xps 17566 df-mre 17640 df-mrc 17641 df-acs 17643 df-mgm 18700 df-sgrp 18779 df-mnd 18795 df-mhm 18843 df-submnd 18844 df-grp 19005 df-minusg 19006 df-sbg 19007 df-mulg 19136 df-subg 19191 df-ghm 19286 df-cntz 19389 df-cmn 19854 df-abl 19855 df-mgp 20219 df-rng 20233 df-ur 20266 df-ring 20319 df-cring 20320 df-oppr 20421 df-dvdsr 20441 df-unit 20442 df-invr 20472 df-dvr 20485 df-rhm 20556 df-subrng 20633 df-subrg 20657 df-drng 20817 df-field 20818 df-abv 20892 df-staf 20922 df-srng 20923 df-lmod 20963 df-lss 21033 df-lmhm 21123 df-lvec 21204 df-sra 21274 df-rgmod 21275 df-psmet 21485 df-xmet 21486 df-met 21487 df-bl 21488 df-mopn 21489 df-cnfld 21494 df-refld 21726 df-phl 21747 df-dsmm 21853 df-frlm 21868 df-top 23022 df-topon 23039 df-topsp 23061 df-bases 23074 df-cn 23355 df-cnp 23356 df-cmp 23515 df-tx 23690 df-hmeo 23883 df-xms 24448 df-ms 24449 df-tms 24450 df-nm 24710 df-ngp 24711 df-tng 24712 df-nrg 24713 df-nlm 24714 df-cncf 25008 df-clm 25193 df-cph 25298 df-tcph 25299 df-rrx 25515 df-ovol 25594 df-vol 25595 df-salg 46952 df-sumge0 47006 df-mea 47093 df-ome 47133 df-caragen 47135 df-ovoln 47180 df-voln 47182 |
| This theorem is referenced by: (None) |
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