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| Mirrors > Home > ILE Home > Th. List > fnmpl | GIF version | ||
| Description: mPoly has universal domain. (Contributed by Jim Kingdon, 5-Nov-2025.) |
| Ref | Expression |
|---|---|
| fnmpl | ⊢ mPoly Fn (V × V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-mplcoe 15160 | . 2 ⊢ mPoly = (𝑖 ∈ V, 𝑟 ∈ V ↦ ⦋(𝑖 mPwSer 𝑟) / 𝑤⦌(𝑤 ↾s {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))})) | |
| 2 | fnpsr 15163 | . . . 4 ⊢ mPwSer Fn (V × V) | |
| 3 | vex 2824 | . . . 4 ⊢ 𝑖 ∈ V | |
| 4 | vex 2824 | . . . 4 ⊢ 𝑟 ∈ V | |
| 5 | fnovex 6121 | . . . 4 ⊢ (( mPwSer Fn (V × V) ∧ 𝑖 ∈ V ∧ 𝑟 ∈ V) → (𝑖 mPwSer 𝑟) ∈ V) | |
| 6 | 2, 3, 4, 5 | mp3an 1378 | . . 3 ⊢ (𝑖 mPwSer 𝑟) ∈ V |
| 7 | vex 2824 | . . . 4 ⊢ 𝑤 ∈ V | |
| 8 | basfn 13470 | . . . . . 6 ⊢ Base Fn V | |
| 9 | funfvex 5715 | . . . . . . 7 ⊢ ((Fun Base ∧ 𝑤 ∈ dom Base) → (Base‘𝑤) ∈ V) | |
| 10 | 9 | funfni 5486 | . . . . . 6 ⊢ ((Base Fn V ∧ 𝑤 ∈ V) → (Base‘𝑤) ∈ V) |
| 11 | 8, 7, 10 | mp2an 430 | . . . . 5 ⊢ (Base‘𝑤) ∈ V |
| 12 | 11 | rabex 4282 | . . . 4 ⊢ {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))} ∈ V |
| 13 | ressex 13478 | . . . 4 ⊢ ((𝑤 ∈ V ∧ {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))} ∈ V) → (𝑤 ↾s {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))}) ∈ V) | |
| 14 | 7, 12, 13 | mp2an 430 | . . 3 ⊢ (𝑤 ↾s {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))}) ∈ V |
| 15 | 6, 14 | csbexa 4264 | . 2 ⊢ ⦋(𝑖 mPwSer 𝑟) / 𝑤⦌(𝑤 ↾s {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝑖)∀𝑏 ∈ (ℕ0 ↑𝑚 𝑖)(∀𝑘 ∈ 𝑖 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = (0g‘𝑟))}) ∈ V |
| 16 | 1, 15 | fnmpoi 6443 | 1 ⊢ mPoly Fn (V × V) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 ∀wral 2528 ∃wrex 2529 {crab 2532 Vcvv 2821 ⦋csb 3147 class class class wbr 4131 × cxp 4774 Fn wfn 5375 ‘cfv 5380 (class class class)co 6088 ↑𝑚 cmap 6926 < clt 8367 ℕ0cn0 9575 Basecbs 13411 ↾s cress 13412 0gc0g 13670 mPwSer cmps 15155 mPoly cmpl 15157 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-i2m1 8291 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-tp 3717 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-of 6305 df-1st 6378 df-2nd 6379 df-map 6928 df-ixp 6986 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-7 9378 df-8 9379 df-9 9380 df-n0 9576 df-ndx 13414 df-slot 13415 df-base 13417 df-sets 13418 df-iress 13419 df-plusg 13504 df-mulr 13505 df-sca 13507 df-vsca 13508 df-tset 13510 df-rest 13655 df-topn 13656 df-topgen 13674 df-pt 13675 df-psr 15158 df-mplcoe 15160 |
| This theorem is used by: mplrcl 15222 mplbasss 15224 mplplusgg 15231 mpladd 15232 |
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