| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6005 | . 2 ⊢ Rel ( I ↾ (dom 𝑅 ∪ ran 𝑅)) | |
| 2 | relexp0g 15058 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (𝑅↑𝑟0) = ( I ↾ (dom 𝑅 ∪ ran 𝑅))) | |
| 3 | 2 | releqd 5766 | . 2 ⊢ (𝑅 ∈ 𝑉 → (Rel (𝑅↑𝑟0) ↔ Rel ( I ↾ (dom 𝑅 ∪ ran 𝑅)))) |
| 4 | 1, 3 | mpbiri 261 | 1 ⊢ (𝑅 ∈ 𝑉 → Rel (𝑅↑𝑟0)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 ∪ cun 3911 I cid 5556 dom cdm 5662 ran crn 5663 ↾ cres 5664 Rel wrel 5667 (class class class)co 7411 0cc0 11099 ↑𝑟crelexp 15055 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-mulcl 11161 ax-i2m1 11167 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-iota 6493 df-fun 6539 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-n0 12504 df-relexp 15056 |
| This theorem is referenced by: relexprelg 15074 relexpaddg 15089 |
| Copyright terms: Public domain | W3C validator |