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| Mirrors > Home > MPE Home > Th. List > omsucelsucb | Structured version Visualization version GIF version | ||
| Description: Membership is inherited by successors for natural numbers. (Contributed by AV, 15-Sep-2023.) |
| Ref | Expression |
|---|---|
| omsucelsucb | ⊢ (𝑁 ∈ ω ↔ suc 𝑁 ∈ suc ω) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ordom 7821 | . 2 ⊢ Ord ω | |
| 2 | ordsucelsuc 7767 | . 2 ⊢ (Ord ω → (𝑁 ∈ ω ↔ suc 𝑁 ∈ suc ω)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝑁 ∈ ω ↔ suc 𝑁 ∈ suc ω) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∈ wcel 2114 Ord word 6317 suc csuc 6320 ωcom 7811 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5232 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-tr 5194 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-om 7812 |
| This theorem is referenced by: satf0suc 35577 sat1el2xp 35580 fmlasuc0 35585 |
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