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| Mirrors > Home > ILE Home > Th. List > imasmulval | GIF version | ||
| Description: The value of an image structure's ring multiplication. (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) |
| Ref | Expression |
|---|---|
| imasmulval | ⊢ ((𝜑 ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → ((𝐹‘𝑋) ∙ (𝐹‘𝑌)) = (𝐹‘(𝑋 · 𝑌))) |
| 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 13511 | . 2 ⊢ (𝜑 → ∙ = ∪ 𝑝 ∈ 𝑉 ∪ 𝑞 ∈ 𝑉 {〈〈(𝐹‘𝑝), (𝐹‘𝑞)〉, (𝐹‘(𝑝 · 𝑞))〉}) |
| 9 | basfn 13260 | . . . 4 ⊢ Base Fn V | |
| 10 | 5 | elexd 2826 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ V) |
| 11 | funfvex 5686 | . . . . 5 ⊢ ((Fun Base ∧ 𝑅 ∈ dom Base) → (Base‘𝑅) ∈ V) | |
| 12 | 11 | funfni 5457 | . . . 4 ⊢ ((Base Fn V ∧ 𝑅 ∈ V) → (Base‘𝑅) ∈ V) |
| 13 | 9, 10, 12 | sylancr 414 | . . 3 ⊢ (𝜑 → (Base‘𝑅) ∈ V) |
| 14 | 4, 13 | eqeltrd 2309 | . 2 ⊢ (𝜑 → 𝑉 ∈ V) |
| 15 | mulrslid 13334 | . . . . 5 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 16 | 15 | slotex 13228 | . . . 4 ⊢ (𝑅 ∈ 𝑍 → (.r‘𝑅) ∈ V) |
| 17 | 5, 16 | syl 14 | . . 3 ⊢ (𝜑 → (.r‘𝑅) ∈ V) |
| 18 | 6, 17 | eqeltrid 2319 | . 2 ⊢ (𝜑 → · ∈ V) |
| 19 | 1, 2, 8, 14, 18 | imasaddvallemg 13517 | 1 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → ((𝐹‘𝑋) ∙ (𝐹‘𝑌)) = (𝐹‘(𝑋 · 𝑌))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1005 = wceq 1398 ∈ wcel 2203 Vcvv 2812 Fn wfn 5346 –onto→wfo 5349 ‘cfv 5351 (class class class)co 6049 Basecbs 13201 .rcmulr 13280 “s cimas 13501 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-addcom 8223 ax-addass 8225 ax-i2m1 8228 ax-0lt1 8229 ax-0id 8231 ax-rnegex 8232 ax-pre-ltirr 8235 ax-pre-lttrn 8237 ax-pre-ltadd 8239 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-pw 3670 df-sn 3694 df-pr 3695 df-tp 3696 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-ov 6052 df-oprab 6053 df-mpo 6054 df-pnf 8306 df-mnf 8307 df-ltxr 8309 df-inn 9234 df-2 9292 df-3 9293 df-ndx 13204 df-slot 13205 df-base 13207 df-plusg 13292 df-mulr 13293 df-iimas 13504 |
| This theorem is referenced by: imasrng 14089 imasring 14197 |
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