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Mirrors > Home > ILE Home > Th. List > dfom3 | GIF version |
Description: Alias for df-iom 4500. Use it instead of df-iom 4500 for naming consistency with set.mm. (Contributed by NM, 6-Aug-1994.) |
Ref | Expression |
---|---|
dfom3 | ⊢ ω = ∩ {𝑥 ∣ (∅ ∈ 𝑥 ∧ ∀𝑦 ∈ 𝑥 suc 𝑦 ∈ 𝑥)} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-iom 4500 | 1 ⊢ ω = ∩ {𝑥 ∣ (∅ ∈ 𝑥 ∧ ∀𝑦 ∈ 𝑥 suc 𝑦 ∈ 𝑥)} |
Colors of variables: wff set class |
Syntax hints: ∧ wa 103 = wceq 1331 ∈ wcel 1480 {cab 2123 ∀wral 2414 ∅c0 3358 ∩ cint 3766 suc csuc 4282 ωcom 4499 |
This theorem depends on definitions: df-iom 4500 |
This theorem is referenced by: omex 4502 peano1 4503 peano2 4504 peano5 4507 bj-dfom 13120 |
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