![]() |
Mathbox for Mario Carneiro |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > Mathboxes > goelel3xp | Structured version Visualization version GIF version |
Description: A "Godel-set of membership" is a member of a doubled Cartesian product. (Contributed by AV, 16-Sep-2023.) |
Ref | Expression |
---|---|
goelel3xp | ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) ∈ (ω × (ω × ω))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | goel 35345 | . 2 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) = 〈∅, 〈𝐼, 𝐽〉〉) | |
2 | peano1 7918 | . . . 4 ⊢ ∅ ∈ ω | |
3 | 2 | a1i 11 | . . 3 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ∅ ∈ ω) |
4 | opelxpi 5730 | . . 3 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → 〈𝐼, 𝐽〉 ∈ (ω × ω)) | |
5 | 3, 4 | opelxpd 5732 | . 2 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → 〈∅, 〈𝐼, 𝐽〉〉 ∈ (ω × (ω × ω))) |
6 | 1, 5 | eqeltrd 2841 | 1 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) ∈ (ω × (ω × ω))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2108 ∅c0 4342 〈cop 4640 × cxp 5691 (class class class)co 7438 ωcom 7894 ∈𝑔cgoe 35331 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5305 ax-nul 5315 ax-pr 5441 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-ral 3062 df-rex 3071 df-rab 3437 df-v 3483 df-sbc 3795 df-csb 3912 df-dif 3969 df-un 3971 df-in 3973 df-ss 3983 df-pss 3986 df-nul 4343 df-if 4535 df-pw 4610 df-sn 4635 df-pr 4637 df-op 4641 df-uni 4916 df-br 5152 df-opab 5214 df-mpt 5235 df-tr 5269 df-id 5587 df-eprel 5593 df-po 5601 df-so 5602 df-fr 5645 df-we 5647 df-xp 5699 df-rel 5700 df-cnv 5701 df-co 5702 df-dm 5703 df-ord 6395 df-on 6396 df-lim 6397 df-iota 6522 df-fun 6571 df-fv 6577 df-ov 7441 df-om 7895 df-goel 35338 |
This theorem is referenced by: satfv0 35356 satf00 35372 |
Copyright terms: Public domain | W3C validator |