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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elfunsALTVfunALTV | Structured version Visualization version GIF version | ||
| Description: The element of the class of functions and the function predicate are the same when 𝐹 is a set. (Contributed by Peter Mazsa, 26-Jul-2021.) |
| Ref | Expression |
|---|---|
| elfunsALTVfunALTV | ⊢ (𝐹 ∈ 𝑉 → (𝐹 ∈ FunsALTV ↔ FunALTV 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cossex 39244 | . . . 4 ⊢ (𝐹 ∈ 𝑉 → ≀ 𝐹 ∈ V) | |
| 2 | elcnvrefrelsrel 39351 | . . . 4 ⊢ ( ≀ 𝐹 ∈ V → ( ≀ 𝐹 ∈ CnvRefRels ↔ CnvRefRel ≀ 𝐹)) | |
| 3 | 1, 2 | syl 18 | . . 3 ⊢ (𝐹 ∈ 𝑉 → ( ≀ 𝐹 ∈ CnvRefRels ↔ CnvRefRel ≀ 𝐹)) |
| 4 | elrelsrel 39177 | . . 3 ⊢ (𝐹 ∈ 𝑉 → (𝐹 ∈ Rels ↔ Rel 𝐹)) | |
| 5 | 3, 4 | anbi12d 644 | . 2 ⊢ (𝐹 ∈ 𝑉 → (( ≀ 𝐹 ∈ CnvRefRels ∧ 𝐹 ∈ Rels ) ↔ ( CnvRefRel ≀ 𝐹 ∧ Rel 𝐹))) |
| 6 | elfunsALTV 39512 | . 2 ⊢ (𝐹 ∈ FunsALTV ↔ ( ≀ 𝐹 ∈ CnvRefRels ∧ 𝐹 ∈ Rels )) | |
| 7 | df-funALTV 39502 | . 2 ⊢ ( FunALTV 𝐹 ↔ ( CnvRefRel ≀ 𝐹 ∧ Rel 𝐹)) | |
| 8 | 5, 6, 7 | 3bitr4g 317 | 1 ⊢ (𝐹 ∈ 𝑉 → (𝐹 ∈ FunsALTV ↔ FunALTV 𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∈ wcel 2145 Vcvv 3453 Rel wrel 5664 ≀ ccoss 38918 Rels crels 38920 CnvRefRels ccnvrefrels 38926 CnvRefRel wcnvrefrel 38927 FunsALTV cfunsALTV 38950 FunALTV wfunALTV 38951 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 ax-sep 5255 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-rels 39175 df-coss 39236 df-ssr 39313 df-cnvrefs 39340 df-cnvrefrels 39341 df-cnvrefrel 39342 df-funss 39500 df-funsALTV 39501 df-funALTV 39502 |
| This theorem is used by: (None) |
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