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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 7860 | . 2 ⊢ Ord ω | |
| 2 | ordsucelsuc 7805 | . 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 2109 Ord word 6339 suc csuc 6342 ωcom 7850 |
| 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 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-sep 5259 ax-nul 5269 ax-pr 5395 ax-un 7718 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-ne 2928 df-ral 3047 df-rex 3056 df-rab 3412 df-v 3457 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-pss 3942 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-br 5116 df-opab 5178 df-tr 5223 df-eprel 5546 df-po 5554 df-so 5555 df-fr 5599 df-we 5601 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-om 7851 |
| This theorem is referenced by: satf0suc 35365 sat1el2xp 35368 fmlasuc0 35373 |
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