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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 5368 | . 2 ⊢ (𝐵 ⊆ 𝐴 → ({〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} ↾ 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐵 ∧ 𝑦 = 𝐶)}) | |
2 | df-mpt 4645 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐶) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} | |
3 | 2 | reseq1i 5313 | . 2 ⊢ ((𝑥 ∈ 𝐴 ↦ 𝐶) ↾ 𝐵) = ({〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 = 𝐶)} ↾ 𝐵) |
4 | df-mpt 4645 | . 2 ⊢ (𝑥 ∈ 𝐵 ↦ 𝐶) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐵 ∧ 𝑦 = 𝐶)} | |
5 | 1, 3, 4 | 3eqtr4g 2669 | 1 ⊢ (𝐵 ⊆ 𝐴 → ((𝑥 ∈ 𝐴 ↦ 𝐶) ↾ 𝐵) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ⊆ wss 3540 {copab 4642 ↦ cmpt 4643 ↾ cres 5040 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-opab 4644 df-mpt 4645 df-xp 5044 df-rel 5045 df-res 5050 |
This theorem is referenced by: resmpt3 5370 resmptd 5371 mptss 5373 fvresex 7032 f1stres 7081 f2ndres 7082 tposss 7240 dftpos2 7256 dftpos4 7258 resixpfo 7832 rlimresb 14144 lo1eq 14147 rlimeq 14148 fsumss 14303 isumclim3 14332 divcnvshft 14426 fprodss 14517 iprodclim3 14570 fprodefsum 14664 bitsf1ocnv 15004 conjsubg 17515 psgnunilem5 17737 odf1o2 17811 sylow1lem2 17837 sylow2blem1 17858 gsumzres 18133 gsumzsplit 18150 gsumzunsnd 18178 gsum2dlem2 18193 gsummptnn0fz 18205 dprd2da 18264 dpjidcl 18280 ablfac1b 18292 psrass1lem 19198 coe1mul2lem2 19459 frlmsplit2 19931 ofco2 20076 mdetralt 20233 mdetunilem9 20245 tgrest 20773 cmpfi 21021 cnmptid 21274 fmss 21560 txflf 21620 tmdgsum 21709 tgpconcomp 21726 tsmssplit 21765 iscmet3lem3 22896 mbfss 23219 mbfadd 23234 mbfsub 23235 mbflimsup 23239 mbfmul 23299 itg2cnlem1 23334 ellimc2 23447 dvreslem 23479 dvres2lem 23480 dvidlem 23485 dvcnp2 23489 dvmulbr 23508 dvcobr 23515 dvrec 23524 dvmptntr 23540 dvcnvlem 23543 lhop1lem 23580 lhop2 23582 itgparts 23614 itgsubstlem 23615 tdeglem4 23624 plypf1 23772 taylthlem2 23932 pserdvlem2 23986 abelth 23999 pige3 24073 efifo 24097 eff1olem 24098 dvlog2 24199 resqrtcn 24290 sqrtcn 24291 dvatan 24462 rlimcnp2 24493 xrlimcnp 24495 efrlim 24496 cxp2lim 24503 chpo1ub 24969 dchrisum0lem2a 25006 pnt2 25102 pnt 25103 resmptf 28838 ressnm 28982 gsummpt2d 29112 rmulccn 29302 xrge0mulc1cn 29315 gsumesum 29448 esumsnf 29453 esumcvg 29475 omsmon 29687 carsggect 29707 eulerpartlem1 29756 eulerpartgbij 29761 gsumnunsn 29942 elmsubrn 30679 divcnvlin 30871 mptsnunlem 32361 dissneqlem 32363 broucube 32613 mbfposadd 32627 itggt0cn 32652 ftc1anclem3 32657 ftc1anclem8 32662 dvasin 32666 dvacos 32667 areacirc 32675 sdclem2 32708 cncfres 32734 pwssplit4 36677 pwfi2f1o 36684 hbtlem6 36718 itgpowd 36819 areaquad 36821 hashnzfzclim 37543 lhe4.4ex1a 37550 resmpti 38354 climresmpt 38726 dvcosre 38799 dvmptresicc 38809 itgsinexplem1 38845 itgcoscmulx 38861 dirkeritg 38995 dirkercncflem2 38997 fourierdlem16 39016 fourierdlem21 39021 fourierdlem22 39022 fourierdlem57 39056 fourierdlem58 39057 fourierdlem62 39061 fourierdlem83 39082 fourierdlem111 39110 fouriersw 39124 0ome 39419 gsumpr 41932 |
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