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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 19322 | . . . . 5 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), tpos + 〉) |
| 5 | 4 | fveq2i 6843 | . . . 4 ⊢ (+g‘𝑂) = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉)) |
| 6 | 2 | fvexi 6854 | . . . . . 6 ⊢ + ∈ V |
| 7 | 6 | tposex 8210 | . . . . 5 ⊢ tpos + ∈ V |
| 8 | plusgid 17247 | . . . . . 6 ⊢ +g = Slot (+g‘ndx) | |
| 9 | 8 | setsid 17177 | . . . . 5 ⊢ ((𝑅 ∈ V ∧ tpos + ∈ V) → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 10 | 7, 9 | mpan2 692 | . . . 4 ⊢ (𝑅 ∈ V → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 11 | 5, 10 | eqtr4id 2790 | . . 3 ⊢ (𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 12 | tpos0 8206 | . . . . 5 ⊢ tpos ∅ = ∅ | |
| 13 | 8 | str0 17159 | . . . . 5 ⊢ ∅ = (+g‘∅) |
| 14 | 12, 13 | eqtr2i 2760 | . . . 4 ⊢ (+g‘∅) = tpos ∅ |
| 15 | reldmsets 17135 | . . . . . . 7 ⊢ Rel dom sSet | |
| 16 | 15 | ovprc1 7406 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), tpos + 〉) = ∅) |
| 17 | 4, 16 | eqtrid 2783 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → 𝑂 = ∅) |
| 18 | 17 | fveq2d 6844 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = (+g‘∅)) |
| 19 | fvprc 6832 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑅) = ∅) | |
| 20 | 2, 19 | eqtrid 2783 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → + = ∅) |
| 21 | 20 | tposeqd 8179 | . . . 4 ⊢ (¬ 𝑅 ∈ V → tpos + = tpos ∅) |
| 22 | 14, 18, 21 | 3eqtr4a 2797 | . . 3 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 23 | 11, 22 | pm2.61i 182 | . 2 ⊢ (+g‘𝑂) = tpos + |
| 24 | 1, 23 | eqtri 2759 | 1 ⊢ ✚ = tpos + |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1542 ∈ wcel 2114 Vcvv 3429 ∅c0 4273 〈cop 4573 ‘cfv 6498 (class class class)co 7367 tpos ctpos 8175 sSet csts 17133 ndxcnx 17163 +gcplusg 17220 oppgcoppg 19320 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-1cn 11096 ax-addcl 11098 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-tpos 8176 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-nn 12175 df-2 12244 df-sets 17134 df-slot 17152 df-ndx 17164 df-plusg 17233 df-oppg 19321 |
| This theorem is referenced by: oppgplus 19324 oppgoppcco 50066 |
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