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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 6646 | . . . . 5 ⊢ ( I ↾ ℂ) Fn ℂ | |
| 2 | rnresi 6061 | . . . . . 6 ⊢ ran ( I ↾ ℂ) = ℂ | |
| 3 | 2 | eqimssi 3996 | . . . . 5 ⊢ ran ( I ↾ ℂ) ⊆ ℂ |
| 4 | df-f 6521 | . . . . 5 ⊢ (( I ↾ ℂ):ℂ⟶ℂ ↔ (( I ↾ ℂ) Fn ℂ ∧ ran ( I ↾ ℂ) ⊆ ℂ)) | |
| 5 | 1, 3, 4 | mpbir2an 721 | . . . 4 ⊢ ( I ↾ ℂ):ℂ⟶ℂ |
| 6 | 5 | jctr 532 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 ∈ {ℝ, ℂ} ∧ ( I ↾ ℂ):ℂ⟶ℂ)) |
| 7 | recnprss 25946 | . . . . 5 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
| 8 | dvid 25960 | . . . . . . 7 ⊢ (ℂ D ( I ↾ ℂ)) = (ℂ × {1}) | |
| 9 | 8 | dmeqi 5878 | . . . . . 6 ⊢ dom (ℂ D ( I ↾ ℂ)) = dom (ℂ × {1}) |
| 10 | 1ex 11173 | . . . . . . . 8 ⊢ 1 ∈ V | |
| 11 | 10 | fconst 6746 | . . . . . . 7 ⊢ (ℂ × {1}):ℂ⟶{1} |
| 12 | 11 | fdmi 6699 | . . . . . 6 ⊢ dom (ℂ × {1}) = ℂ |
| 13 | 9, 12 | eqtri 2784 | . . . . 5 ⊢ dom (ℂ D ( I ↾ ℂ)) = ℂ |
| 14 | 7, 13 | sseqtrrdi 3977 | . . . 4 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ dom (ℂ D ( I ↾ ℂ))) |
| 15 | ssid 3958 | . . . 4 ⊢ ℂ ⊆ ℂ | |
| 16 | 14, 15 | jctil 527 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (ℂ ⊆ ℂ ∧ 𝑆 ⊆ dom (ℂ D ( I ↾ ℂ)))) |
| 17 | dvres3 25955 | . . 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 593 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D (( I ↾ ℂ) ↾ 𝑆)) = ((ℂ D ( I ↾ ℂ)) ↾ 𝑆)) |
| 19 | 7 | resabs1d 5992 | . . 3 ⊢ (𝑆 ∈ {ℝ, ℂ} → (( I ↾ ℂ) ↾ 𝑆) = ( I ↾ 𝑆)) |
| 20 | 19 | oveq2d 7408 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D (( I ↾ ℂ) ↾ 𝑆)) = (𝑆 D ( I ↾ 𝑆))) |
| 21 | 8 | reseq1i 5959 | . . . 4 ⊢ ((ℂ D ( I ↾ ℂ)) ↾ 𝑆) = ((ℂ × {1}) ↾ 𝑆) |
| 22 | xpssres 6002 | . . . 4 ⊢ (𝑆 ⊆ ℂ → ((ℂ × {1}) ↾ 𝑆) = (𝑆 × {1})) | |
| 23 | 21, 22 | eqtrid 2808 | . . 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 2804 | 1 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D ( I ↾ 𝑆)) = (𝑆 × {1})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ⊆ wss 3904 {csn 4581 {cpr 4583 I cid 5539 × cxp 5643 dom cdm 5645 ran crn 5646 ↾ cres 5647 Fn wfn 6512 ⟶wf 6513 (class class class)co 7392 ℂcc 11068 ℝcr 11069 1c1 11071 D cdv 25905 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 ax-pre-sup 11148 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-int 4905 df-iun 4950 df-iin 4951 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-1o 8432 df-er 8673 df-map 8805 df-pm 8806 df-en 8924 df-dom 8925 df-sdom 8926 df-fin 8927 df-fi 9354 df-sup 9385 df-inf 9386 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-div 11842 df-nn 12208 df-2 12277 df-3 12278 df-4 12279 df-5 12280 df-6 12281 df-7 12282 df-8 12283 df-9 12284 df-n0 12479 df-z 12566 df-dec 12686 df-uz 12837 df-q 12947 df-rp 12991 df-xneg 13111 df-xadd 13112 df-xmul 13113 df-icc 13353 df-fz 13510 df-seq 14012 df-exp 14072 df-cj 15109 df-re 15110 df-im 15111 df-sqrt 15245 df-abs 15246 df-struct 17166 df-slot 17201 df-ndx 17213 df-base 17229 df-plusg 17282 df-mulr 17283 df-starv 17284 df-tset 17288 df-ple 17289 df-ds 17291 df-unif 17292 df-rest 17434 df-topn 17435 df-topgen 17455 df-psmet 21396 df-xmet 21397 df-met 21398 df-bl 21399 df-mopn 21400 df-fbas 21401 df-fg 21402 df-cnfld 21405 df-top 22934 df-topon 22951 df-topsp 22973 df-bases 22986 df-cld 23059 df-ntr 23060 df-cls 23061 df-nei 23138 df-lp 23176 df-perf 23177 df-cn 23267 df-cnp 23268 df-haus 23355 df-fil 23886 df-fm 23978 df-flim 23979 df-flf 23980 df-xms 24360 df-ms 24361 df-cncf 24920 df-limc 25908 df-dv 25909 |
| This theorem is referenced by: (None) |
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