Mathbox for Peter Mazsa |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > elec1cnvxrn2 | Structured version Visualization version GIF version |
Description: Elementhood in the converse range Cartesian product coset of 𝐴. (Contributed by Peter Mazsa, 11-Jul-2021.) |
Ref | Expression |
---|---|
elec1cnvxrn2 | ⊢ (𝐵 ∈ 𝑉 → (𝐵 ∈ [𝐴]◡(𝑅 ⋉ 𝑆) ↔ ∃𝑦∃𝑧(𝐴 = 〈𝑦, 𝑧〉 ∧ 𝐵𝑅𝑦 ∧ 𝐵𝑆𝑧))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relcnv 5970 | . . 3 ⊢ Rel ◡(𝑅 ⋉ 𝑆) | |
2 | relelec 8337 | . . 3 ⊢ (Rel ◡(𝑅 ⋉ 𝑆) → (𝐵 ∈ [𝐴]◡(𝑅 ⋉ 𝑆) ↔ 𝐴◡(𝑅 ⋉ 𝑆)𝐵)) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ (𝐵 ∈ [𝐴]◡(𝑅 ⋉ 𝑆) ↔ 𝐴◡(𝑅 ⋉ 𝑆)𝐵) |
4 | br1cnvxrn2 35648 | . 2 ⊢ (𝐵 ∈ 𝑉 → (𝐴◡(𝑅 ⋉ 𝑆)𝐵 ↔ ∃𝑦∃𝑧(𝐴 = 〈𝑦, 𝑧〉 ∧ 𝐵𝑅𝑦 ∧ 𝐵𝑆𝑧))) | |
5 | 3, 4 | syl5bb 285 | 1 ⊢ (𝐵 ∈ 𝑉 → (𝐵 ∈ [𝐴]◡(𝑅 ⋉ 𝑆) ↔ ∃𝑦∃𝑧(𝐴 = 〈𝑦, 𝑧〉 ∧ 𝐵𝑅𝑦 ∧ 𝐵𝑆𝑧))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ w3a 1083 = wceq 1536 ∃wex 1779 ∈ wcel 2113 〈cop 4576 class class class wbr 5069 ◡ccnv 5557 Rel wrel 5563 [cec 8290 ⋉ cxrn 35456 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-fo 6364 df-fv 6366 df-1st 7692 df-2nd 7693 df-ec 8294 df-xrn 35627 |
This theorem is referenced by: rnxrn 35650 |
Copyright terms: Public domain | W3C validator |