ftc2ditg - Metamath Proof Explorer

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Theorem ftc2ditg 25220

Description: Directed integral analogue of ftc2 25218. (Contributed by Mario Carneiro, 3-Sep-2014.)

**Hypotheses**
Ref	Expression
ftc2ditg.x	⊢ (𝜑 → 𝑋 ∈ ℝ)
ftc2ditg.y	⊢ (𝜑 → 𝑌 ∈ ℝ)
ftc2ditg.a	⊢ (𝜑 → 𝐴 ∈ (𝑋[,]𝑌))
ftc2ditg.b	⊢ (𝜑 → 𝐵 ∈ (𝑋[,]𝑌))
ftc2ditg.c	⊢ (𝜑 → (ℝ D 𝐹) ∈ ((𝑋(,)𝑌)–cn→ℂ))
ftc2ditg.i	⊢ (𝜑 → (ℝ D 𝐹) ∈ 𝐿¹)
ftc2ditg.f	⊢ (𝜑 → 𝐹 ∈ ((𝑋[,]𝑌)–cn→ℂ))

**Assertion**
Ref	Expression
ftc2ditg	⊢ (𝜑 → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = ((𝐹‘𝐵) − (𝐹‘𝐴)))

Distinct variable groups: 𝑡,𝐴 𝑡,𝐵 𝑡,𝐹 𝜑,𝑡 𝑡,𝑋 𝑡,𝑌

**Proof of Theorem ftc2ditg**
Step	Hyp	Ref	Expression
1		ftc2ditg.x	. . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ)
2		ftc2ditg.y	. . . 4 ⊢ (𝜑 → 𝑌 ∈ ℝ)
3		iccssre 13171	. . . 4 ⊢ ((𝑋 ∈ ℝ ∧ 𝑌 ∈ ℝ) → (𝑋[,]𝑌) ⊆ ℝ)
4	1, 2, 3	syl2anc 584	. . 3 ⊢ (𝜑 → (𝑋[,]𝑌) ⊆ ℝ)
5		ftc2ditg.a	. . 3 ⊢ (𝜑 → 𝐴 ∈ (𝑋[,]𝑌))
6	4, 5	sseldd 3921	. 2 ⊢ (𝜑 → 𝐴 ∈ ℝ)
7		ftc2ditg.b	. . 3 ⊢ (𝜑 → 𝐵 ∈ (𝑋[,]𝑌))
8	4, 7	sseldd 3921	. 2 ⊢ (𝜑 → 𝐵 ∈ ℝ)
9		ftc2ditg.c	. . 3 ⊢ (𝜑 → (ℝ D 𝐹) ∈ ((𝑋(,)𝑌)–cn→ℂ))
10		ftc2ditg.i	. . 3 ⊢ (𝜑 → (ℝ D 𝐹) ∈ 𝐿¹)
11		ftc2ditg.f	. . 3 ⊢ (𝜑 → 𝐹 ∈ ((𝑋[,]𝑌)–cn→ℂ))
12	1, 2, 5, 7, 9, 10, 11	ftc2ditglem 25219	. 2 ⊢ ((𝜑 ∧ 𝐴 ≤ 𝐵) → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = ((𝐹‘𝐵) − (𝐹‘𝐴)))
13		fvexd 6781	. . . . 5 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ((ℝ D 𝐹)‘𝑡) ∈ V)
14		cncff 24066	. . . . . . . 8 ⊢ ((ℝ D 𝐹) ∈ ((𝑋(,)𝑌)–cn→ℂ) → (ℝ D 𝐹):(𝑋(,)𝑌)⟶ℂ)
15	9, 14	syl 17	. . . . . . 7 ⊢ (𝜑 → (ℝ D 𝐹):(𝑋(,)𝑌)⟶ℂ)
16	15	feqmptd 6829	. . . . . 6 ⊢ (𝜑 → (ℝ D 𝐹) = (𝑡 ∈ (𝑋(,)𝑌) ↦ ((ℝ D 𝐹)‘𝑡)))
17	16, 10	eqeltrrd 2840	. . . . 5 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ ((ℝ D 𝐹)‘𝑡)) ∈ 𝐿¹)
18	1, 2, 7, 5, 13, 17	ditgswap 25033	. . . 4 ⊢ (𝜑 → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = -⨜[𝐵 → 𝐴]((ℝ D 𝐹)‘𝑡) d𝑡)
19	18	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≤ 𝐴) → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = -⨜[𝐵 → 𝐴]((ℝ D 𝐹)‘𝑡) d𝑡)
20	1, 2, 7, 5, 9, 10, 11	ftc2ditglem 25219	. . . 4 ⊢ ((𝜑 ∧ 𝐵 ≤ 𝐴) → ⨜[𝐵 → 𝐴]((ℝ D 𝐹)‘𝑡) d𝑡 = ((𝐹‘𝐴) − (𝐹‘𝐵)))
21	20	negeqd 11225	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≤ 𝐴) → -⨜[𝐵 → 𝐴]((ℝ D 𝐹)‘𝑡) d𝑡 = -((𝐹‘𝐴) − (𝐹‘𝐵)))
22		cncff 24066	. . . . . . 7 ⊢ (𝐹 ∈ ((𝑋[,]𝑌)–cn→ℂ) → 𝐹:(𝑋[,]𝑌)⟶ℂ)
23	11, 22	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐹:(𝑋[,]𝑌)⟶ℂ)
24	23, 5	ffvelrnd 6954	. . . . 5 ⊢ (𝜑 → (𝐹‘𝐴) ∈ ℂ)
25	23, 7	ffvelrnd 6954	. . . . 5 ⊢ (𝜑 → (𝐹‘𝐵) ∈ ℂ)
26	24, 25	negsubdi2d 11358	. . . 4 ⊢ (𝜑 → -((𝐹‘𝐴) − (𝐹‘𝐵)) = ((𝐹‘𝐵) − (𝐹‘𝐴)))
27	26	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝐵 ≤ 𝐴) → -((𝐹‘𝐴) − (𝐹‘𝐵)) = ((𝐹‘𝐵) − (𝐹‘𝐴)))
28	19, 21, 27	3eqtrd 2782	. 2 ⊢ ((𝜑 ∧ 𝐵 ≤ 𝐴) → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = ((𝐹‘𝐵) − (𝐹‘𝐴)))
29	6, 8, 12, 28	lecasei 11091	1 ⊢ (𝜑 → ⨜[𝐴 → 𝐵]((ℝ D 𝐹)‘𝑡) d𝑡 = ((𝐹‘𝐵) − (𝐹‘𝐴)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 Vcvv 3429 ⊆ wss 3886 class class class wbr 5073 ↦ cmpt 5156 ⟶wf 6422 ‘cfv 6426 (class class class)co 7267 ℂcc 10879 ℝcr 10880 ≤ cle 11020 − cmin 11215 -cneg 11216 (,)cioo 13089 [,]cicc 13092 –cn→ccncf 24049 𝐿¹cibl 24791 ⨜cdit 25020 D cdv 25037

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5208 ax-sep 5221 ax-nul 5228 ax-pow 5286 ax-pr 5350 ax-un 7578 ax-inf2 9386 ax-cc 10201 ax-cnex 10937 ax-resscn 10938 ax-1cn 10939 ax-icn 10940 ax-addcl 10941 ax-addrcl 10942 ax-mulcl 10943 ax-mulrcl 10944 ax-mulcom 10945 ax-addass 10946 ax-mulass 10947 ax-distr 10948 ax-i2m1 10949 ax-1ne0 10950 ax-1rid 10951 ax-rnegex 10952 ax-rrecex 10953 ax-cnre 10954 ax-pre-lttri 10955 ax-pre-lttrn 10956 ax-pre-ltadd 10957 ax-pre-mulgt0 10958 ax-pre-sup 10959 ax-addf 10960 ax-mulf 10961

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rmo 3072 df-rab 3073 df-v 3431 df-sbc 3716 df-csb 3832 df-dif 3889 df-un 3891 df-in 3893 df-ss 3903 df-pss 3905 df-symdif 4176 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-disj 5039 df-br 5074 df-opab 5136 df-mpt 5157 df-tr 5191 df-id 5484 df-eprel 5490 df-po 5498 df-so 5499 df-fr 5539 df-se 5540 df-we 5541 df-xp 5590 df-rel 5591 df-cnv 5592 df-co 5593 df-dm 5594 df-rn 5595 df-res 5596 df-ima 5597 df-pred 6195 df-ord 6262 df-on 6263 df-lim 6264 df-suc 6265 df-iota 6384 df-fun 6428 df-fn 6429 df-f 6430 df-f1 6431 df-fo 6432 df-f1o 6433 df-fv 6434 df-isom 6435 df-riota 7224 df-ov 7270 df-oprab 7271 df-mpo 7272 df-of 7523 df-ofr 7524 df-om 7703 df-1st 7820 df-2nd 7821 df-supp 7965 df-frecs 8084 df-wrecs 8115 df-recs 8189 df-rdg 8228 df-1o 8284 df-2o 8285 df-oadd 8288 df-omul 8289 df-er 8485 df-map 8604 df-pm 8605 df-ixp 8673 df-en 8721 df-dom 8722 df-sdom 8723 df-fin 8724 df-fsupp 9116 df-fi 9157 df-sup 9188 df-inf 9189 df-oi 9256 df-dju 9669 df-card 9707 df-acn 9710 df-pnf 11021 df-mnf 11022 df-xr 11023 df-ltxr 11024 df-le 11025 df-sub 11217 df-neg 11218 df-div 11643 df-nn 11984 df-2 12046 df-3 12047 df-4 12048 df-5 12049 df-6 12050 df-7 12051 df-8 12052 df-9 12053 df-n0 12244 df-z 12330 df-dec 12448 df-uz 12593 df-q 12699 df-rp 12741 df-xneg 12858 df-xadd 12859 df-xmul 12860 df-ioo 13093 df-ioc 13094 df-ico 13095 df-icc 13096 df-fz 13250 df-fzo 13393 df-fl 13522 df-mod 13600 df-seq 13732 df-exp 13793 df-hash 14055 df-cj 14820 df-re 14821 df-im 14822 df-sqrt 14956 df-abs 14957 df-clim 15207 df-rlim 15208 df-sum 15408 df-struct 16858 df-sets 16875 df-slot 16893 df-ndx 16905 df-base 16923 df-ress 16952 df-plusg 16985 df-mulr 16986 df-starv 16987 df-sca 16988 df-vsca 16989 df-ip 16990 df-tset 16991 df-ple 16992 df-ds 16994 df-unif 16995 df-hom 16996 df-cco 16997 df-rest 17143 df-topn 17144 df-0g 17162 df-gsum 17163 df-topgen 17164 df-pt 17165 df-prds 17168 df-xrs 17223 df-qtop 17228 df-imas 17229 df-xps 17231 df-mre 17305 df-mrc 17306 df-acs 17308 df-mgm 18336 df-sgrp 18385 df-mnd 18396 df-submnd 18441 df-mulg 18711 df-cntz 18933 df-cmn 19398 df-psmet 20599 df-xmet 20600 df-met 20601 df-bl 20602 df-mopn 20603 df-fbas 20604 df-fg 20605 df-cnfld 20608 df-top 22053 df-topon 22070 df-topsp 22092 df-bases 22106 df-cld 22180 df-ntr 22181 df-cls 22182 df-nei 22259 df-lp 22297 df-perf 22298 df-cn 22388 df-cnp 22389 df-haus 22476 df-cmp 22548 df-tx 22723 df-hmeo 22916 df-fil 23007 df-fm 23099 df-flim 23100 df-flf 23101 df-xms 23483 df-ms 23484 df-tms 23485 df-cncf 24051 df-ovol 24638 df-vol 24639 df-mbf 24793 df-itg1 24794 df-itg2 24795 df-ibl 24796 df-itg 24797 df-0p 24844 df-ditg 25021 df-limc 25040 df-dv 25041

This theorem is referenced by: (None)

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