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| Mirrors > Home > ILE Home > Th. List > imasmulf | GIF version | ||
| Description: The image structure's ring multiplication is closed in the base set. (Contributed by Mario Carneiro, 23-Feb-2015.) |
| Ref | Expression |
|---|---|
| imasaddf.f | ⊢ (𝜑 → 𝐹:𝑉–onto→𝐵) |
| imasaddf.e | ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞)))) |
| imasaddf.u | ⊢ (𝜑 → 𝑈 = (𝐹 “s 𝑅)) |
| imasaddf.v | ⊢ (𝜑 → 𝑉 = (Base‘𝑅)) |
| imasaddf.r | ⊢ (𝜑 → 𝑅 ∈ 𝑍) |
| imasmulf.p | ⊢ · = (.r‘𝑅) |
| imasmulf.a | ⊢ ∙ = (.r‘𝑈) |
| imasmulf.c | ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (𝑝 · 𝑞) ∈ 𝑉) |
| Ref | Expression |
|---|---|
| imasmulf | ⊢ (𝜑 → ∙ :(𝐵 × 𝐵)⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imasaddf.f | . 2 ⊢ (𝜑 → 𝐹:𝑉–onto→𝐵) | |
| 2 | imasaddf.e | . 2 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞)))) | |
| 3 | imasaddf.u | . . 3 ⊢ (𝜑 → 𝑈 = (𝐹 “s 𝑅)) | |
| 4 | imasaddf.v | . . 3 ⊢ (𝜑 → 𝑉 = (Base‘𝑅)) | |
| 5 | imasaddf.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ 𝑍) | |
| 6 | imasmulf.p | . . 3 ⊢ · = (.r‘𝑅) | |
| 7 | imasmulf.a | . . 3 ⊢ ∙ = (.r‘𝑈) | |
| 8 | 3, 4, 1, 5, 6, 7 | imasmulr 13415 | . 2 ⊢ (𝜑 → ∙ = ∪ 𝑝 ∈ 𝑉 ∪ 𝑞 ∈ 𝑉 {〈〈(𝐹‘𝑝), (𝐹‘𝑞)〉, (𝐹‘(𝑝 · 𝑞))〉}) |
| 9 | basfn 13164 | . . . 4 ⊢ Base Fn V | |
| 10 | 5 | elexd 2815 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ V) |
| 11 | funfvex 5659 | . . . . 5 ⊢ ((Fun Base ∧ 𝑅 ∈ dom Base) → (Base‘𝑅) ∈ V) | |
| 12 | 11 | funfni 5434 | . . . 4 ⊢ ((Base Fn V ∧ 𝑅 ∈ V) → (Base‘𝑅) ∈ V) |
| 13 | 9, 10, 12 | sylancr 414 | . . 3 ⊢ (𝜑 → (Base‘𝑅) ∈ V) |
| 14 | 4, 13 | eqeltrd 2307 | . 2 ⊢ (𝜑 → 𝑉 ∈ V) |
| 15 | mulrslid 13238 | . . . . 5 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 16 | 15 | slotex 13132 | . . . 4 ⊢ (𝑅 ∈ 𝑍 → (.r‘𝑅) ∈ V) |
| 17 | 5, 16 | syl 14 | . . 3 ⊢ (𝜑 → (.r‘𝑅) ∈ V) |
| 18 | 6, 17 | eqeltrid 2317 | . 2 ⊢ (𝜑 → · ∈ V) |
| 19 | imasmulf.c | . 2 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (𝑝 · 𝑞) ∈ 𝑉) | |
| 20 | 1, 2, 8, 14, 18, 19 | imasaddflemg 13422 | 1 ⊢ (𝜑 → ∙ :(𝐵 × 𝐵)⟶𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1004 = wceq 1397 ∈ wcel 2201 Vcvv 2801 × cxp 4725 Fn wfn 5323 ⟶wf 5324 –onto→wfo 5326 ‘cfv 5328 (class class class)co 6023 Basecbs 13105 .rcmulr 13184 “s cimas 13405 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4205 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-cnex 8128 ax-resscn 8129 ax-1cn 8130 ax-1re 8131 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-addcom 8137 ax-addass 8139 ax-i2m1 8142 ax-0lt1 8143 ax-0id 8145 ax-rnegex 8146 ax-pre-ltirr 8149 ax-pre-lttrn 8151 ax-pre-ltadd 8153 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3655 df-sn 3676 df-pr 3677 df-tp 3678 df-op 3679 df-uni 3895 df-int 3930 df-iun 3973 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 df-fo 5334 df-f1o 5335 df-fv 5336 df-ov 6026 df-oprab 6027 df-mpo 6028 df-pnf 8221 df-mnf 8222 df-ltxr 8224 df-inn 9149 df-2 9207 df-3 9208 df-ndx 13108 df-slot 13109 df-base 13111 df-plusg 13196 df-mulr 13197 df-iimas 13408 |
| This theorem is referenced by: imasrng 13993 imasring 14101 |
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