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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ringcbasbasALTV | Structured version Visualization version GIF version | ||
| Description: An element of the base set of the base set of the category of rings (i.e. the base set of a ring) belongs to the considered weak universe. (Contributed by AV, 15-Feb-2020.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ringcbasbasALTV.r | ⊢ 𝐶 = (RingCatALTV‘𝑈) |
| ringcbasbasALTV.b | ⊢ 𝐵 = (Base‘𝐶) |
| ringcbasbasALTV.u | ⊢ (𝜑 → 𝑈 ∈ WUni) |
| Ref | Expression |
|---|---|
| ringcbasbasALTV | ⊢ ((𝜑 ∧ 𝑅 ∈ 𝐵) → (Base‘𝑅) ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringcbasbasALTV.r | . . . . 5 ⊢ 𝐶 = (RingCatALTV‘𝑈) | |
| 2 | ringcbasbasALTV.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐶) | |
| 3 | ringcbasbasALTV.u | . . . . 5 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 4 | 1, 2, 3 | ringcbasALTV 49612 | . . . 4 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Ring)) |
| 5 | 4 | eleq2d 2850 | . . 3 ⊢ (𝜑 → (𝑅 ∈ 𝐵 ↔ 𝑅 ∈ (𝑈 ∩ Ring))) |
| 6 | elin 4096 | . . . . 5 ⊢ (𝑅 ∈ (𝑈 ∩ Ring) ↔ (𝑅 ∈ 𝑈 ∧ 𝑅 ∈ Ring)) | |
| 7 | baseid 17422 | . . . . . . . . 9 ⊢ Base = Slot (Base‘ndx) | |
| 8 | simpl 488 | . . . . . . . . 9 ⊢ ((𝑈 ∈ WUni ∧ 𝑅 ∈ 𝑈) → 𝑈 ∈ WUni) | |
| 9 | simpr 490 | . . . . . . . . 9 ⊢ ((𝑈 ∈ WUni ∧ 𝑅 ∈ 𝑈) → 𝑅 ∈ 𝑈) | |
| 10 | 7, 8, 9 | wunstr 17398 | . . . . . . . 8 ⊢ ((𝑈 ∈ WUni ∧ 𝑅 ∈ 𝑈) → (Base‘𝑅) ∈ 𝑈) |
| 11 | 10 | ex 418 | . . . . . . 7 ⊢ (𝑈 ∈ WUni → (𝑅 ∈ 𝑈 → (Base‘𝑅) ∈ 𝑈)) |
| 12 | 11, 3 | syl11 34 | . . . . . 6 ⊢ (𝑅 ∈ 𝑈 → (𝜑 → (Base‘𝑅) ∈ 𝑈)) |
| 13 | 12 | adantr 486 | . . . . 5 ⊢ ((𝑅 ∈ 𝑈 ∧ 𝑅 ∈ Ring) → (𝜑 → (Base‘𝑅) ∈ 𝑈)) |
| 14 | 6, 13 | sylbi 220 | . . . 4 ⊢ (𝑅 ∈ (𝑈 ∩ Ring) → (𝜑 → (Base‘𝑅) ∈ 𝑈)) |
| 15 | 14 | com12 33 | . . 3 ⊢ (𝜑 → (𝑅 ∈ (𝑈 ∩ Ring) → (Base‘𝑅) ∈ 𝑈)) |
| 16 | 5, 15 | sylbid 243 | . 2 ⊢ (𝜑 → (𝑅 ∈ 𝐵 → (Base‘𝑅) ∈ 𝑈)) |
| 17 | 16 | imp 412 | 1 ⊢ ((𝜑 ∧ 𝑅 ∈ 𝐵) → (Base‘𝑅) ∈ 𝑈) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∩ cin 4092 ‘cfv 6561 WUnicwun 10815 ndxcnx 17403 Basecbs 17419 Ringcrg 20492 RingCatALTVcringcALTV 49599 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-1st 8028 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-1o 8507 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-fin 9008 df-wun 10817 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-5 12438 df-6 12439 df-7 12440 df-8 12441 df-9 12442 df-n0 12637 df-z 12724 df-dec 12845 df-uz 12996 df-fz 13670 df-struct 17357 df-slot 17392 df-ndx 17404 df-base 17420 df-hom 17484 df-cco 17485 df-ringcALTV 49600 |
| This theorem is used by: funcringcsetclem2ALTV 49626 funcringcsetclem3ALTV 49627 funcringcsetclem7ALTV 49631 |
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