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| Mirrors > Home > MPE Home > Th. List > n0ssno | Structured version Visualization version GIF version | ||
| Description: The non-negative surreal integers are a subset of the surreals. (Contributed by Scott Fenton, 17-Mar-2025.) |
| Ref | Expression |
|---|---|
| n0ssno | ⊢ ℕ0s ⊆ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-n0s 28215 | . . . 4 ⊢ ℕ0s = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 0s ) “ ω) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → ℕ0s = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 0s ) “ ω)) |
| 3 | 0sno 27741 | . . . 4 ⊢ 0s ∈ No | |
| 4 | 3 | a1i 11 | . . 3 ⊢ (⊤ → 0s ∈ No ) |
| 5 | 2, 4 | noseqssno 28195 | . 2 ⊢ (⊤ → ℕ0s ⊆ No ) |
| 6 | 5 | mptru 1547 | 1 ⊢ ℕ0s ⊆ No |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ⊤wtru 1541 ∈ wcel 2109 Vcvv 3436 ⊆ wss 3903 ↦ cmpt 5173 “ cima 5622 (class class class)co 7349 ωcom 7799 reccrdg 8331 No csur 27549 0s c0s 27737 1s c1s 27738 +s cadds 27873 ℕ0scnn0s 28213 |
| 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-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 |
| 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-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-tp 4582 df-op 4584 df-uni 4859 df-int 4897 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-se 5573 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-1o 8388 df-2o 8389 df-nadd 8584 df-no 27552 df-slt 27553 df-bday 27554 df-sslt 27692 df-scut 27694 df-0s 27739 df-1s 27740 df-made 27759 df-old 27760 df-left 27762 df-right 27763 df-norec2 27863 df-adds 27874 df-n0s 28215 |
| This theorem is referenced by: nnssno 28222 n0sno 28223 n0sfincut 28253 bdayn0sf1o 28266 n0expscl 28326 |
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