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Mirrors > Home > ILE Home > Th. List > Mathboxes > iswomninn | GIF version |
Description: Weak omniscience stated in terms of natural numbers. Similar to iswomnimap 7142 but it will sometimes be more convenient to use 0 and 1 rather than ∅ and 1o. (Contributed by Jim Kingdon, 20-Jun-2024.) |
Ref | Expression |
---|---|
iswomninn | ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ WOmni ↔ ∀𝑓 ∈ ({0, 1} ↑𝑚 𝐴)DECID ∀𝑥 ∈ 𝐴 (𝑓‘𝑥) = 1)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq1 5860 | . . . 4 ⊢ (𝑎 = 𝑥 → (𝑎 + 1) = (𝑥 + 1)) | |
2 | 1 | cbvmptv 4085 | . . 3 ⊢ (𝑎 ∈ ℤ ↦ (𝑎 + 1)) = (𝑥 ∈ ℤ ↦ (𝑥 + 1)) |
3 | freceq1 6371 | . . 3 ⊢ ((𝑎 ∈ ℤ ↦ (𝑎 + 1)) = (𝑥 ∈ ℤ ↦ (𝑥 + 1)) → frec((𝑎 ∈ ℤ ↦ (𝑎 + 1)), 0) = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 0)) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ frec((𝑎 ∈ ℤ ↦ (𝑎 + 1)), 0) = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 0) |
5 | 4 | iswomninnlem 14081 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ WOmni ↔ ∀𝑓 ∈ ({0, 1} ↑𝑚 𝐴)DECID ∀𝑥 ∈ 𝐴 (𝑓‘𝑥) = 1)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 DECID wdc 829 = wceq 1348 ∈ wcel 2141 ∀wral 2448 {cpr 3584 ↦ cmpt 4050 ‘cfv 5198 (class class class)co 5853 freccfrec 6369 ↑𝑚 cmap 6626 WOmnicwomni 7139 0cc0 7774 1c1 7775 + caddc 7777 ℤcz 9212 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4104 ax-sep 4107 ax-nul 4115 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-iinf 4572 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-addcom 7874 ax-addass 7876 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-0id 7882 ax-rnegex 7883 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-ltadd 7890 |
This theorem depends on definitions: df-bi 116 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-tr 4088 df-id 4278 df-iord 4351 df-on 4353 df-ilim 4354 df-suc 4356 df-iom 4575 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-f1 5203 df-fo 5204 df-f1o 5205 df-fv 5206 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-recs 6284 df-frec 6370 df-1o 6395 df-2o 6396 df-map 6628 df-womni 7140 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-sub 8092 df-neg 8093 df-inn 8879 df-n0 9136 df-z 9213 df-uz 9488 |
This theorem is referenced by: iswomni0 14083 redcwlpo 14087 |
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