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| Mirrors > Home > ILE Home > Th. List > opprsllem | GIF version | ||
| Description: Lemma for opprbasg 14208 and oppraddg 14209. (Contributed by Mario Carneiro, 1-Dec-2014.) (Revised by AV, 6-Nov-2024.) |
| Ref | Expression |
|---|---|
| opprbas.1 | ⊢ 𝑂 = (oppr‘𝑅) |
| opprsllem.2 | ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) |
| opprlem.3 | ⊢ (𝐸‘ndx) ≠ (.r‘ndx) |
| Ref | Expression |
|---|---|
| opprsllem | ⊢ (𝑅 ∈ 𝑉 → (𝐸‘𝑅) = (𝐸‘𝑂)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulrslid 13334 | . . . . 5 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 2 | 1 | slotex 13228 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) ∈ V) |
| 3 | tposexg 6488 | . . . 4 ⊢ ((.r‘𝑅) ∈ V → tpos (.r‘𝑅) ∈ V) | |
| 4 | 2, 3 | syl 14 | . . 3 ⊢ (𝑅 ∈ 𝑉 → tpos (.r‘𝑅) ∈ V) |
| 5 | opprsllem.2 | . . . 4 ⊢ (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ) | |
| 6 | opprlem.3 | . . . 4 ⊢ (𝐸‘ndx) ≠ (.r‘ndx) | |
| 7 | 1 | simpri 113 | . . . 4 ⊢ (.r‘ndx) ∈ ℕ |
| 8 | 5, 6, 7 | setsslnid 13253 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ tpos (.r‘𝑅) ∈ V) → (𝐸‘𝑅) = (𝐸‘(𝑅 sSet 〈(.r‘ndx), tpos (.r‘𝑅)〉))) |
| 9 | 4, 8 | mpdan 421 | . 2 ⊢ (𝑅 ∈ 𝑉 → (𝐸‘𝑅) = (𝐸‘(𝑅 sSet 〈(.r‘ndx), tpos (.r‘𝑅)〉))) |
| 10 | eqid 2232 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 11 | eqid 2232 | . . . 4 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 12 | opprbas.1 | . . . 4 ⊢ 𝑂 = (oppr‘𝑅) | |
| 13 | 10, 11, 12 | opprvalg 14202 | . . 3 ⊢ (𝑅 ∈ 𝑉 → 𝑂 = (𝑅 sSet 〈(.r‘ndx), tpos (.r‘𝑅)〉)) |
| 14 | 13 | fveq2d 5673 | . 2 ⊢ (𝑅 ∈ 𝑉 → (𝐸‘𝑂) = (𝐸‘(𝑅 sSet 〈(.r‘ndx), tpos (.r‘𝑅)〉))) |
| 15 | 9, 14 | eqtr4d 2268 | 1 ⊢ (𝑅 ∈ 𝑉 → (𝐸‘𝑅) = (𝐸‘𝑂)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2203 ≠ wne 2412 Vcvv 2812 〈cop 3691 ‘cfv 5351 (class class class)co 6049 tpos ctpos 6474 ℕcn 9233 ndxcnx 13198 sSet csts 13199 Slot cslot 13200 Basecbs 13201 .rcmulr 13280 opprcoppr 14200 |
| 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-sep 4227 ax-nul 4235 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8214 ax-resscn 8215 ax-1re 8217 ax-addrcl 8220 |
| This theorem depends on definitions: df-bi 117 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-ral 2525 df-rex 2526 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-op 3697 df-uni 3914 df-int 3949 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-fv 5359 df-ov 6052 df-oprab 6053 df-mpo 6054 df-tpos 6475 df-inn 9234 df-2 9292 df-3 9293 df-ndx 13204 df-slot 13205 df-sets 13208 df-mulr 13293 df-oppr 14201 |
| This theorem is referenced by: opprbasg 14208 oppraddg 14209 |
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