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Mirrors > Home > MPE Home > Th. List > mpt2exga | Structured version Visualization version GIF version |
Description: If the domain of a function given by maps-to notation is a set, the function is a set. (Contributed by NM, 12-Sep-2011.) |
Ref | Expression |
---|---|
mpt2exga | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2610 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
2 | 1 | mpt2exg 7134 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∈ wcel 1977 Vcvv 3173 ↦ cmpt2 6551 |
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-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
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-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-oprab 6553 df-mpt2 6554 df-1st 7059 df-2nd 7060 |
This theorem is referenced by: el2mpt2csbcl 7137 bropopvvv 7142 bropfvvvv 7144 prdsip 15944 imasds 15996 setchomfval 16552 setccofval 16555 estrchomfval 16589 estrccofval 16592 lsmvalx 17877 mamuval 20011 mamudm 20013 marrepfval 20185 marrepval0 20186 marrepval 20187 marepvfval 20190 marepvval 20192 submaval0 20205 submaval 20206 maduval 20263 minmar1val0 20272 minmar1val 20273 mat2pmatval 20348 mat2pmatf 20352 m2cpmf 20366 cpm2mval 20374 decpmatval0 20388 decpmatmul 20396 pmatcollpw2lem 20401 pmatcollpw3lem 20407 mply1topmatval 20428 mp2pm2mplem1 20430 xkoptsub 21267 wlkon 26061 trlon 26070 pthon 26105 spthon 26112 is2wlkonot 26390 is2spthonot 26391 2wlkonot3v 26402 2spthonot3v 26403 grpodivfval 26772 pstmval 29266 sxsigon 29582 cndprobval 29822 mptmpt2opabbrd 40335 funcrngcsetc 41790 funcringcsetc 41827 lmod1lem1 42070 lmod1lem2 42071 lmod1lem3 42072 lmod1lem4 42073 lmod1lem5 42074 |
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