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| Mirrors > Home > MPE Home > Th. List > relexp0rel | Structured version Visualization version GIF version | ||
| Description: The exponentiation of a class to zero is a relation. (Contributed by RP, 23-May-2020.) |
| Ref | Expression |
|---|---|
| relexp0rel | ⊢ (𝑅 ∈ 𝑉 → Rel (𝑅↑𝑟0)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relres 5962 | . 2 ⊢ Rel ( I ↾ (dom 𝑅 ∪ ran 𝑅)) | |
| 2 | relexp0g 14943 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (𝑅↑𝑟0) = ( I ↾ (dom 𝑅 ∪ ran 𝑅))) | |
| 3 | 2 | releqd 5726 | . 2 ⊢ (𝑅 ∈ 𝑉 → (Rel (𝑅↑𝑟0) ↔ Rel ( I ↾ (dom 𝑅 ∪ ran 𝑅)))) |
| 4 | 1, 3 | mpbiri 258 | 1 ⊢ (𝑅 ∈ 𝑉 → Rel (𝑅↑𝑟0)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ∪ cun 3897 I cid 5516 dom cdm 5622 ran crn 5623 ↾ cres 5624 Rel wrel 5627 (class class class)co 7356 0cc0 11024 ↑𝑟crelexp 14940 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-mulcl 11086 ax-i2m1 11092 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-sbc 3739 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-iota 6446 df-fun 6492 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-n0 12400 df-relexp 14941 |
| This theorem is referenced by: relexprelg 14959 relexpaddg 14974 |
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