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| Mirrors > Home > MPE Home > Th. List > noseqssno | Structured version Visualization version GIF version | ||
| Description: A surreal sequence is a subset of the surreals. (Contributed by Scott Fenton, 18-Apr-2025.) |
| Ref | Expression |
|---|---|
| noseq.1 | ⊢ (𝜑 → 𝑍 = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 𝐴) “ ω)) |
| noseq.2 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| Ref | Expression |
|---|---|
| noseqssno | ⊢ (𝜑 → 𝑍 ⊆ No ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | noseq.1 | . 2 ⊢ (𝜑 → 𝑍 = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 𝐴) “ ω)) | |
| 2 | noseq.2 | . 2 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 3 | peano2no 28065 | . . 3 ⊢ (𝑦 ∈ No → (𝑦 +s 1s ) ∈ No ) | |
| 4 | 3 | adantl 485 | . 2 ⊢ ((𝜑 ∧ 𝑦 ∈ No ) → (𝑦 +s 1s ) ∈ No ) |
| 5 | 1, 2, 2, 4 | noseqind 28373 | 1 ⊢ (𝜑 → 𝑍 ⊆ No ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 Vcvv 3453 ⊆ wss 3902 ↦ cmpt 5178 “ cima 5646 (class class class)co 7391 ωcom 7841 reccrdg 8374 No csur 27692 1s c1s 27887 +s cadds 28040 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-se 5597 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-2o 8432 df-nadd 8630 df-no 27695 df-lts 27696 df-bday 27697 df-slts 27839 df-cuts 27841 df-0s 27888 df-1s 27889 df-made 27908 df-old 27909 df-left 27911 df-right 27912 df-norec2 28030 df-adds 28041 |
| This theorem is referenced by: noseqno 28376 om2noseqlt 28380 om2noseqlt2 28381 om2noseqf1o 28382 n0ssno 28401 |
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