| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > mptrabex | Structured version Visualization version GIF version | ||
| Description: If the domain of a function given by maps-to notation is a class abstraction based on a set, the function is a set. (Contributed by AV, 16-Jul-2019.) (Revised by AV, 26-Mar-2021.) |
| Ref | Expression |
|---|---|
| mptrabex.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| mptrabex | ⊢ (𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑} ↦ 𝐵) ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mptrabex.1 | . . 3 ⊢ 𝐴 ∈ V | |
| 2 | 1 | rabex 5285 | . 2 ⊢ {𝑦 ∈ 𝐴 ∣ 𝜑} ∈ V |
| 3 | 2 | mptex 7171 | 1 ⊢ (𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑} ↦ 𝐵) ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 {crab 3400 Vcvv 3441 ↦ cmpt 5180 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pr 5378 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 |
| This theorem is referenced by: odzval 16723 pmtrfval 19383 dmdprd 19933 dprdval 19938 psrlidm 21921 psrass23l 21926 psrass23 21928 mplsubrg 21964 mplmonmul 21995 mplbas2 22001 fusgrfis 29386 wlksnwwlknvbij 29964 clwwlkvbij 30171 sitgval 34470 fwddifnval 36338 diafval 41328 dicfval 41472 |
| Copyright terms: Public domain | W3C validator |