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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 7827 | . 2 ⊢ Ord ω | |
| 2 | ordsucelsuc 7773 | . 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 6322 suc csuc 6325 ωcom 7817 |
| 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 2708 ax-sep 5231 ax-pr 5375 ax-un 7689 |
| 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 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-tr 5193 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-om 7818 |
| This theorem is referenced by: satf0suc 35558 sat1el2xp 35561 fmlasuc0 35566 |
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