![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > dvivthlem2 | Structured version Visualization version GIF version |
Description: Lemma for dvivth 25372. (Contributed by Mario Carneiro, 20-Feb-2015.) |
Ref | Expression |
---|---|
dvivth.1 | ⊢ (𝜑 → 𝑀 ∈ (𝐴(,)𝐵)) |
dvivth.2 | ⊢ (𝜑 → 𝑁 ∈ (𝐴(,)𝐵)) |
dvivth.3 | ⊢ (𝜑 → 𝐹 ∈ ((𝐴(,)𝐵)–cn→ℝ)) |
dvivth.4 | ⊢ (𝜑 → dom (ℝ D 𝐹) = (𝐴(,)𝐵)) |
dvivth.5 | ⊢ (𝜑 → 𝑀 < 𝑁) |
dvivth.6 | ⊢ (𝜑 → 𝐶 ∈ (((ℝ D 𝐹)‘𝑁)[,]((ℝ D 𝐹)‘𝑀))) |
dvivth.7 | ⊢ 𝐺 = (𝑦 ∈ (𝐴(,)𝐵) ↦ ((𝐹‘𝑦) − (𝐶 · 𝑦))) |
Ref | Expression |
---|---|
dvivthlem2 | ⊢ (𝜑 → 𝐶 ∈ ran (ℝ D 𝐹)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dvivth.1 | . . 3 ⊢ (𝜑 → 𝑀 ∈ (𝐴(,)𝐵)) | |
2 | dvivth.2 | . . 3 ⊢ (𝜑 → 𝑁 ∈ (𝐴(,)𝐵)) | |
3 | dvivth.3 | . . 3 ⊢ (𝜑 → 𝐹 ∈ ((𝐴(,)𝐵)–cn→ℝ)) | |
4 | dvivth.4 | . . 3 ⊢ (𝜑 → dom (ℝ D 𝐹) = (𝐴(,)𝐵)) | |
5 | dvivth.5 | . . 3 ⊢ (𝜑 → 𝑀 < 𝑁) | |
6 | dvivth.6 | . . 3 ⊢ (𝜑 → 𝐶 ∈ (((ℝ D 𝐹)‘𝑁)[,]((ℝ D 𝐹)‘𝑀))) | |
7 | dvivth.7 | . . 3 ⊢ 𝐺 = (𝑦 ∈ (𝐴(,)𝐵) ↦ ((𝐹‘𝑦) − (𝐶 · 𝑦))) | |
8 | 1, 2, 3, 4, 5, 6, 7 | dvivthlem1 25370 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ (𝑀[,]𝑁)((ℝ D 𝐹)‘𝑥) = 𝐶) |
9 | dvf 25269 | . . . . . . 7 ⊢ (ℝ D 𝐹):dom (ℝ D 𝐹)⟶ℂ | |
10 | 4 | feq2d 6654 | . . . . . . 7 ⊢ (𝜑 → ((ℝ D 𝐹):dom (ℝ D 𝐹)⟶ℂ ↔ (ℝ D 𝐹):(𝐴(,)𝐵)⟶ℂ)) |
11 | 9, 10 | mpbii 232 | . . . . . 6 ⊢ (𝜑 → (ℝ D 𝐹):(𝐴(,)𝐵)⟶ℂ) |
12 | 11 | ffnd 6669 | . . . . 5 ⊢ (𝜑 → (ℝ D 𝐹) Fn (𝐴(,)𝐵)) |
13 | iccssioo2 13336 | . . . . . . 7 ⊢ ((𝑀 ∈ (𝐴(,)𝐵) ∧ 𝑁 ∈ (𝐴(,)𝐵)) → (𝑀[,]𝑁) ⊆ (𝐴(,)𝐵)) | |
14 | 1, 2, 13 | syl2anc 584 | . . . . . 6 ⊢ (𝜑 → (𝑀[,]𝑁) ⊆ (𝐴(,)𝐵)) |
15 | 14 | sselda 3944 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑀[,]𝑁)) → 𝑥 ∈ (𝐴(,)𝐵)) |
16 | fnfvelrn 7031 | . . . . 5 ⊢ (((ℝ D 𝐹) Fn (𝐴(,)𝐵) ∧ 𝑥 ∈ (𝐴(,)𝐵)) → ((ℝ D 𝐹)‘𝑥) ∈ ran (ℝ D 𝐹)) | |
17 | 12, 15, 16 | syl2an2r 683 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑀[,]𝑁)) → ((ℝ D 𝐹)‘𝑥) ∈ ran (ℝ D 𝐹)) |
18 | eleq1 2825 | . . . 4 ⊢ (((ℝ D 𝐹)‘𝑥) = 𝐶 → (((ℝ D 𝐹)‘𝑥) ∈ ran (ℝ D 𝐹) ↔ 𝐶 ∈ ran (ℝ D 𝐹))) | |
19 | 17, 18 | syl5ibcom 244 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑀[,]𝑁)) → (((ℝ D 𝐹)‘𝑥) = 𝐶 → 𝐶 ∈ ran (ℝ D 𝐹))) |
20 | 19 | rexlimdva 3152 | . 2 ⊢ (𝜑 → (∃𝑥 ∈ (𝑀[,]𝑁)((ℝ D 𝐹)‘𝑥) = 𝐶 → 𝐶 ∈ ran (ℝ D 𝐹))) |
21 | 8, 20 | mpd 15 | 1 ⊢ (𝜑 → 𝐶 ∈ ran (ℝ D 𝐹)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∃wrex 3073 ⊆ wss 3910 class class class wbr 5105 ↦ cmpt 5188 dom cdm 5633 ran crn 5634 Fn wfn 6491 ⟶wf 6492 ‘cfv 6496 (class class class)co 7356 ℂcc 11048 ℝcr 11049 · cmul 11055 < clt 11188 − cmin 11384 (,)cioo 13263 [,]cicc 13266 –cn→ccncf 24237 D cdv 25225 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 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 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7671 ax-cnex 11106 ax-resscn 11107 ax-1cn 11108 ax-icn 11109 ax-addcl 11110 ax-addrcl 11111 ax-mulcl 11112 ax-mulrcl 11113 ax-mulcom 11114 ax-addass 11115 ax-mulass 11116 ax-distr 11117 ax-i2m1 11118 ax-1ne0 11119 ax-1rid 11120 ax-rnegex 11121 ax-rrecex 11122 ax-cnre 11123 ax-pre-lttri 11124 ax-pre-lttrn 11125 ax-pre-ltadd 11126 ax-pre-mulgt0 11127 ax-pre-sup 11128 ax-addf 11129 ax-mulf 11130 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-iin 4957 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-se 5589 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-isom 6505 df-riota 7312 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7616 df-om 7802 df-1st 7920 df-2nd 7921 df-supp 8092 df-frecs 8211 df-wrecs 8242 df-recs 8316 df-rdg 8355 df-1o 8411 df-2o 8412 df-er 8647 df-map 8766 df-pm 8767 df-ixp 8835 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-fsupp 9305 df-fi 9346 df-sup 9377 df-inf 9378 df-oi 9445 df-card 9874 df-pnf 11190 df-mnf 11191 df-xr 11192 df-ltxr 11193 df-le 11194 df-sub 11386 df-neg 11387 df-div 11812 df-nn 12153 df-2 12215 df-3 12216 df-4 12217 df-5 12218 df-6 12219 df-7 12220 df-8 12221 df-9 12222 df-n0 12413 df-z 12499 df-dec 12618 df-uz 12763 df-q 12873 df-rp 12915 df-xneg 13032 df-xadd 13033 df-xmul 13034 df-ioo 13267 df-ico 13269 df-icc 13270 df-fz 13424 df-fzo 13567 df-seq 13906 df-exp 13967 df-hash 14230 df-cj 14983 df-re 14984 df-im 14985 df-sqrt 15119 df-abs 15120 df-struct 17018 df-sets 17035 df-slot 17053 df-ndx 17065 df-base 17083 df-ress 17112 df-plusg 17145 df-mulr 17146 df-starv 17147 df-sca 17148 df-vsca 17149 df-ip 17150 df-tset 17151 df-ple 17152 df-ds 17154 df-unif 17155 df-hom 17156 df-cco 17157 df-rest 17303 df-topn 17304 df-0g 17322 df-gsum 17323 df-topgen 17324 df-pt 17325 df-prds 17328 df-xrs 17383 df-qtop 17388 df-imas 17389 df-xps 17391 df-mre 17465 df-mrc 17466 df-acs 17468 df-mgm 18496 df-sgrp 18545 df-mnd 18556 df-submnd 18601 df-mulg 18871 df-cntz 19095 df-cmn 19562 df-psmet 20786 df-xmet 20787 df-met 20788 df-bl 20789 df-mopn 20790 df-fbas 20791 df-fg 20792 df-cnfld 20795 df-top 22241 df-topon 22258 df-topsp 22280 df-bases 22294 df-cld 22368 df-ntr 22369 df-cls 22370 df-nei 22447 df-lp 22485 df-perf 22486 df-cn 22576 df-cnp 22577 df-haus 22664 df-cmp 22736 df-tx 22911 df-hmeo 23104 df-fil 23195 df-fm 23287 df-flim 23288 df-flf 23289 df-xms 23671 df-ms 23672 df-tms 23673 df-cncf 24239 df-limc 25228 df-dv 25229 |
This theorem is referenced by: dvivth 25372 |
Copyright terms: Public domain | W3C validator |