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| Mirrors > Home > MPE Home > Th. List > newf | Structured version Visualization version GIF version | ||
| Description: The new function is a function from ordinals to sets of surreals. (Contributed by Scott Fenton, 6-Aug-2024.) |
| Ref | Expression |
|---|---|
| newf | ⊢ N :On⟶𝒫 No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-new 28134 | . 2 ⊢ N = (𝑥 ∈ On ↦ (( M ‘𝑥) ∖ ( O ‘𝑥))) | |
| 2 | madef 28141 | . . . . . 6 ⊢ M :On⟶𝒫 No | |
| 3 | 2 | ffvelcdmi 7072 | . . . . 5 ⊢ (𝑥 ∈ On → ( M ‘𝑥) ∈ 𝒫 No ) |
| 4 | 3 | elpwid 4566 | . . . 4 ⊢ (𝑥 ∈ On → ( M ‘𝑥) ⊆ No ) |
| 5 | 4 | ssdifssd 4094 | . . 3 ⊢ (𝑥 ∈ On → (( M ‘𝑥) ∖ ( O ‘𝑥)) ⊆ No ) |
| 6 | fvex 6887 | . . . . 5 ⊢ ( M ‘𝑥) ∈ V | |
| 7 | 6 | difexi 5292 | . . . 4 ⊢ (( M ‘𝑥) ∖ ( O ‘𝑥)) ∈ V |
| 8 | 7 | elpw 4561 | . . 3 ⊢ ((( M ‘𝑥) ∖ ( O ‘𝑥)) ∈ 𝒫 No ↔ (( M ‘𝑥) ∖ ( O ‘𝑥)) ⊆ No ) |
| 9 | 5, 8 | sylibr 237 | . 2 ⊢ (𝑥 ∈ On → (( M ‘𝑥) ∖ ( O ‘𝑥)) ∈ 𝒫 No ) |
| 10 | 1, 9 | fmpti 7101 | 1 ⊢ N :On⟶𝒫 No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ∖ cdif 3896 ⊆ wss 3899 𝒫 cpw 4557 Oncon0 6352 ⟶wf 6524 ‘cfv 6528 No csur 27916 M cmade 28127 O cold 28128 N cnew 28129 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-1o 8455 df-2o 8456 df-no 27919 df-lts 27920 df-bday 27921 df-slts 28063 df-cuts 28065 df-made 28132 df-new 28134 |
| This theorem is used by: newssno 28147 newbdayim 28208 |
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