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| Mirrors > Home > MPE Home > Th. List > Mathboxes > dvsid | Structured version Visualization version GIF version | ||
| Description: Derivative of the identity function on the real or complex numbers. (Contributed by Steve Rodriguez, 11-Nov-2015.) |
| Ref | Expression |
|---|---|
| dvsid | ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D ( I ↾ 𝑆)) = (𝑆 × {1})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnresi 6621 | . . . . 5 ⊢ ( I ↾ ℂ) Fn ℂ | |
| 2 | rnresi 6034 | . . . . . 6 ⊢ ran ( I ↾ ℂ) = ℂ | |
| 3 | 2 | eqimssi 3994 | . . . . 5 ⊢ ran ( I ↾ ℂ) ⊆ ℂ |
| 4 | df-f 6496 | . . . . 5 ⊢ (( I ↾ ℂ):ℂ⟶ℂ ↔ (( I ↾ ℂ) Fn ℂ ∧ ran ( I ↾ ℂ) ⊆ ℂ)) | |
| 5 | 1, 3, 4 | mpbir2an 711 | . . . 4 ⊢ ( I ↾ ℂ):ℂ⟶ℂ |
| 6 | 5 | jctr 524 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 ∈ {ℝ, ℂ} ∧ ( I ↾ ℂ):ℂ⟶ℂ)) |
| 7 | recnprss 25861 | . . . . 5 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
| 8 | dvid 25875 | . . . . . . 7 ⊢ (ℂ D ( I ↾ ℂ)) = (ℂ × {1}) | |
| 9 | 8 | dmeqi 5853 | . . . . . 6 ⊢ dom (ℂ D ( I ↾ ℂ)) = dom (ℂ × {1}) |
| 10 | 1ex 11128 | . . . . . . . 8 ⊢ 1 ∈ V | |
| 11 | 10 | fconst 6720 | . . . . . . 7 ⊢ (ℂ × {1}):ℂ⟶{1} |
| 12 | 11 | fdmi 6673 | . . . . . 6 ⊢ dom (ℂ × {1}) = ℂ |
| 13 | 9, 12 | eqtri 2759 | . . . . 5 ⊢ dom (ℂ D ( I ↾ ℂ)) = ℂ |
| 14 | 7, 13 | sseqtrrdi 3975 | . . . 4 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ dom (ℂ D ( I ↾ ℂ))) |
| 15 | ssid 3956 | . . . 4 ⊢ ℂ ⊆ ℂ | |
| 16 | 14, 15 | jctil 519 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (ℂ ⊆ ℂ ∧ 𝑆 ⊆ dom (ℂ D ( I ↾ ℂ)))) |
| 17 | dvres3 25870 | . . 3 ⊢ (((𝑆 ∈ {ℝ, ℂ} ∧ ( I ↾ ℂ):ℂ⟶ℂ) ∧ (ℂ ⊆ ℂ ∧ 𝑆 ⊆ dom (ℂ D ( I ↾ ℂ)))) → (𝑆 D (( I ↾ ℂ) ↾ 𝑆)) = ((ℂ D ( I ↾ ℂ)) ↾ 𝑆)) | |
| 18 | 6, 16, 17 | syl2anc 584 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D (( I ↾ ℂ) ↾ 𝑆)) = ((ℂ D ( I ↾ ℂ)) ↾ 𝑆)) |
| 19 | 7 | resabs1d 5967 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (( I ↾ ℂ) ↾ 𝑆) = ( I ↾ 𝑆)) |
| 20 | 19 | oveq2d 7374 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D (( I ↾ ℂ) ↾ 𝑆)) = (𝑆 D ( I ↾ 𝑆))) |
| 21 | 8 | reseq1i 5934 | . . . 4 ⊢ ((ℂ D ( I ↾ ℂ)) ↾ 𝑆) = ((ℂ × {1}) ↾ 𝑆) |
| 22 | xpssres 5977 | . . . 4 ⊢ (𝑆 ⊆ ℂ → ((ℂ × {1}) ↾ 𝑆) = (𝑆 × {1})) | |
| 23 | 21, 22 | eqtrid 2783 | . . 3 ⊢ (𝑆 ⊆ ℂ → ((ℂ D ( I ↾ ℂ)) ↾ 𝑆) = (𝑆 × {1})) |
| 24 | 7, 23 | syl 17 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → ((ℂ D ( I ↾ ℂ)) ↾ 𝑆) = (𝑆 × {1})) |
| 25 | 18, 20, 24 | 3eqtr3d 2779 | 1 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D ( I ↾ 𝑆)) = (𝑆 × {1})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ⊆ wss 3901 {csn 4580 {cpr 4582 I cid 5518 × cxp 5622 dom cdm 5624 ran crn 5625 ↾ cres 5626 Fn wfn 6487 ⟶wf 6488 (class class class)co 7358 ℂcc 11024 ℝcr 11025 1c1 11027 D cdv 25820 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 ax-pre-sup 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-iin 4949 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-er 8635 df-map 8765 df-pm 8766 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-fi 9314 df-sup 9345 df-inf 9346 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 df-9 12215 df-n0 12402 df-z 12489 df-dec 12608 df-uz 12752 df-q 12862 df-rp 12906 df-xneg 13026 df-xadd 13027 df-xmul 13028 df-icc 13268 df-fz 13424 df-seq 13925 df-exp 13985 df-cj 15022 df-re 15023 df-im 15024 df-sqrt 15158 df-abs 15159 df-struct 17074 df-slot 17109 df-ndx 17121 df-base 17137 df-plusg 17190 df-mulr 17191 df-starv 17192 df-tset 17196 df-ple 17197 df-ds 17199 df-unif 17200 df-rest 17342 df-topn 17343 df-topgen 17363 df-psmet 21301 df-xmet 21302 df-met 21303 df-bl 21304 df-mopn 21305 df-fbas 21306 df-fg 21307 df-cnfld 21310 df-top 22838 df-topon 22855 df-topsp 22877 df-bases 22890 df-cld 22963 df-ntr 22964 df-cls 22965 df-nei 23042 df-lp 23080 df-perf 23081 df-cn 23171 df-cnp 23172 df-haus 23259 df-fil 23790 df-fm 23882 df-flim 23883 df-flf 23884 df-xms 24264 df-ms 24265 df-cncf 24827 df-limc 25823 df-dv 25824 |
| This theorem is referenced by: (None) |
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