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| Mirrors > Home > MPE Home > Th. List > oppgplusfval | Structured version Visualization version GIF version | ||
| Description: Value of the addition operation of an opposite group. (Contributed by Stefan O'Rear, 26-Aug-2015.) (Revised by Fan Zheng, 26-Jun-2016.) |
| Ref | Expression |
|---|---|
| oppgval.2 | ⊢ + = (+g‘𝑅) |
| oppgval.3 | ⊢ 𝑂 = (oppg‘𝑅) |
| oppgplusfval.4 | ⊢ ✚ = (+g‘𝑂) |
| Ref | Expression |
|---|---|
| oppgplusfval | ⊢ ✚ = tpos + |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oppgplusfval.4 | . 2 ⊢ ✚ = (+g‘𝑂) | |
| 2 | oppgval.2 | . . . . . 6 ⊢ + = (+g‘𝑅) | |
| 3 | oppgval.3 | . . . . . 6 ⊢ 𝑂 = (oppg‘𝑅) | |
| 4 | 2, 3 | oppgval 19408 | . . . . 5 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), tpos + 〉) |
| 5 | 4 | fveq2i 6874 | . . . 4 ⊢ (+g‘𝑂) = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉)) |
| 6 | 2 | fvexi 6885 | . . . . . 6 ⊢ + ∈ V |
| 7 | 6 | tposex 8244 | . . . . 5 ⊢ tpos + ∈ V |
| 8 | plusgid 17327 | . . . . . 6 ⊢ +g = Slot (+g‘ndx) | |
| 9 | 8 | setsid 17257 | . . . . 5 ⊢ ((𝑅 ∈ V ∧ tpos + ∈ V) → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 10 | 7, 9 | mpan2 703 | . . . 4 ⊢ (𝑅 ∈ V → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 11 | 5, 10 | eqtr4id 2819 | . . 3 ⊢ (𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 12 | tpos0 8240 | . . . . 5 ⊢ tpos ∅ = ∅ | |
| 13 | 8 | str0 17239 | . . . . 5 ⊢ ∅ = (+g‘∅) |
| 14 | 12, 13 | eqtr2i 2789 | . . . 4 ⊢ (+g‘∅) = tpos ∅ |
| 15 | reldmsets 17215 | . . . . . . 7 ⊢ Rel dom sSet | |
| 16 | 15 | ovprc1 7439 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), tpos + 〉) = ∅) |
| 17 | 4, 16 | eqtrid 2812 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → 𝑂 = ∅) |
| 18 | 17 | fveq2d 6875 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = (+g‘∅)) |
| 19 | fvprc 6863 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑅) = ∅) | |
| 20 | 2, 19 | eqtrid 2812 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → + = ∅) |
| 21 | 20 | tposeqd 8213 | . . . 4 ⊢ (¬ 𝑅 ∈ V → tpos + = tpos ∅) |
| 22 | 14, 18, 21 | 3eqtr4a 2826 | . . 3 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 23 | 11, 22 | pm2.61i 184 | . 2 ⊢ (+g‘𝑂) = tpos + |
| 24 | 1, 23 | eqtri 2788 | 1 ⊢ ✚ = tpos + |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1563 ∈ wcel 2145 Vcvv 3457 ∅c0 4288 〈cop 4591 ‘cfv 6525 (class class class)co 7400 tpos ctpos 8209 sSet csts 17213 ndxcnx 17243 +gcplusg 17300 oppgcoppg 19406 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-1cn 11146 ax-addcl 11148 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-2nd 7975 df-tpos 8210 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-nn 12225 df-2 12294 df-sets 17214 df-slot 17232 df-ndx 17244 df-plusg 17313 df-oppg 19407 |
| This theorem is referenced by: oppgplus 19410 oppgoppcco 50220 |
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