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Mirrors > Home > MPE Home > Th. List > resmpt | Structured version Visualization version GIF version |
Description: Restriction of the mapping operation. (Contributed by Mario Carneiro, 15-Jul-2013.) |
Ref | Expression |
---|---|
resmpt | ⊢ (𝐵 ⊆ 𝐴 → ((𝑥 ∈ 𝐴 ↦ 𝐶) ↾ 𝐵) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | resopab2 5448 | . 2 ⊢ (𝐵 ⊆ 𝐴 → ({〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} ↾ 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐵 ∧ 𝑦 = 𝐶)}) | |
2 | df-mpt 4730 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐶) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} | |
3 | 2 | reseq1i 5392 | . 2 ⊢ ((𝑥 ∈ 𝐴 ↦ 𝐶) ↾ 𝐵) = ({〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} ↾ 𝐵) |
4 | df-mpt 4730 | . 2 ⊢ (𝑥 ∈ 𝐵 ↦ 𝐶) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐵 ∧ 𝑦 = 𝐶)} | |
5 | 1, 3, 4 | 3eqtr4g 2681 | 1 ⊢ (𝐵 ⊆ 𝐴 → ((𝑥 ∈ 𝐴 ↦ 𝐶) ↾ 𝐵) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 = wceq 1483 ∈ wcel 1990 ⊆ wss 3574 {copab 4712 ↦ cmpt 4729 ↾ cres 5116 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-opab 4713 df-mpt 4730 df-xp 5120 df-rel 5121 df-res 5126 |
This theorem is referenced by: resmpt3 5450 resmptf 5451 resmptd 5452 mptss 5454 fvresex 7139 f1stres 7190 f2ndres 7191 tposss 7353 dftpos2 7369 dftpos4 7371 resixpfo 7946 rlimresb 14296 lo1eq 14299 rlimeq 14300 fsumss 14456 isumclim3 14490 divcnvshft 14587 fprodss 14678 iprodclim3 14731 fprodefsum 14825 bitsf1ocnv 15166 conjsubg 17692 psgnunilem5 17914 odf1o2 17988 sylow1lem2 18014 sylow2blem1 18035 gsumzres 18310 gsumzsplit 18327 gsumzunsnd 18355 gsum2dlem2 18370 gsummptnn0fz 18382 dprd2da 18441 dpjidcl 18457 ablfac1b 18469 psrass1lem 19377 coe1mul2lem2 19638 frlmsplit2 20112 ofco2 20257 mdetralt 20414 mdetunilem9 20426 tgrest 20963 cmpfi 21211 cnmptid 21464 fmss 21750 txflf 21810 tmdgsum 21899 tgpconncomp 21916 tsmssplit 21955 iscmet3lem3 23088 mbfss 23413 mbfadd 23428 mbfsub 23429 mbflimsup 23433 mbfmul 23493 itg2cnlem1 23528 ellimc2 23641 dvreslem 23673 dvres2lem 23674 dvidlem 23679 dvcnp2 23683 dvmulbr 23702 dvcobr 23709 dvrec 23718 dvmptntr 23734 dvcnvlem 23739 lhop1lem 23776 lhop2 23778 itgparts 23810 itgsubstlem 23811 tdeglem4 23820 plypf1 23968 taylthlem2 24128 pserdvlem2 24182 abelth 24195 pige3 24269 efifo 24293 eff1olem 24294 dvlog2 24399 resqrtcn 24490 sqrtcn 24491 dvatan 24662 rlimcnp2 24693 xrlimcnp 24695 efrlim 24696 cxp2lim 24703 chpo1ub 25169 dchrisum0lem2a 25206 pnt2 25302 pnt 25303 elimampt 29438 ressnm 29651 gsummpt2d 29781 rmulccn 29974 xrge0mulc1cn 29987 gsumesum 30121 esumsnf 30126 esumcvg 30148 omsmon 30360 carsggect 30380 eulerpartlem1 30429 eulerpartgbij 30434 gsumnunsn 30615 cxpcncf1 30673 itgexpif 30684 reprpmtf1o 30704 elmsubrn 31425 divcnvlin 31618 mptsnunlem 33185 dissneqlem 33187 broucube 33443 mbfposadd 33457 itggt0cn 33482 ftc1anclem3 33487 ftc1anclem8 33492 dvasin 33496 dvacos 33497 areacirc 33505 sdclem2 33538 cncfres 33564 pwssplit4 37659 pwfi2f1o 37666 hbtlem6 37699 itgpowd 37800 areaquad 37802 hashnzfzclim 38521 lhe4.4ex1a 38528 resmpti 39359 climresmpt 39891 dvcosre 40126 dvmptresicc 40134 itgsinexplem1 40169 itgcoscmulx 40185 dirkeritg 40319 dirkercncflem2 40321 fourierdlem16 40340 fourierdlem21 40345 fourierdlem22 40346 fourierdlem57 40380 fourierdlem58 40381 fourierdlem62 40385 fourierdlem83 40406 fourierdlem111 40434 fouriersw 40448 0ome 40743 gsumpr 42139 |
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