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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 19286 | . . . . 5 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), tpos + 〉) |
| 5 | 4 | fveq2i 6864 | . . . 4 ⊢ (+g‘𝑂) = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉)) |
| 6 | 2 | fvexi 6875 | . . . . . 6 ⊢ + ∈ V |
| 7 | 6 | tposex 8242 | . . . . 5 ⊢ tpos + ∈ V |
| 8 | plusgid 17254 | . . . . . 6 ⊢ +g = Slot (+g‘ndx) | |
| 9 | 8 | setsid 17184 | . . . . 5 ⊢ ((𝑅 ∈ V ∧ tpos + ∈ V) → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 10 | 7, 9 | mpan2 691 | . . . 4 ⊢ (𝑅 ∈ V → tpos + = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉))) |
| 11 | 5, 10 | eqtr4id 2784 | . . 3 ⊢ (𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 12 | tpos0 8238 | . . . . 5 ⊢ tpos ∅ = ∅ | |
| 13 | 8 | str0 17166 | . . . . 5 ⊢ ∅ = (+g‘∅) |
| 14 | 12, 13 | eqtr2i 2754 | . . . 4 ⊢ (+g‘∅) = tpos ∅ |
| 15 | reldmsets 17142 | . . . . . . 7 ⊢ Rel dom sSet | |
| 16 | 15 | ovprc1 7429 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), tpos + 〉) = ∅) |
| 17 | 4, 16 | eqtrid 2777 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → 𝑂 = ∅) |
| 18 | 17 | fveq2d 6865 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = (+g‘∅)) |
| 19 | fvprc 6853 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑅) = ∅) | |
| 20 | 2, 19 | eqtrid 2777 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → + = ∅) |
| 21 | 20 | tposeqd 8211 | . . . 4 ⊢ (¬ 𝑅 ∈ V → tpos + = tpos ∅) |
| 22 | 14, 18, 21 | 3eqtr4a 2791 | . . 3 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 23 | 11, 22 | pm2.61i 182 | . 2 ⊢ (+g‘𝑂) = tpos + |
| 24 | 1, 23 | eqtri 2753 | 1 ⊢ ✚ = tpos + |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1540 ∈ wcel 2109 Vcvv 3450 ∅c0 4299 〈cop 4598 ‘cfv 6514 (class class class)co 7390 tpos ctpos 8207 sSet csts 17140 ndxcnx 17170 +gcplusg 17227 oppgcoppg 19284 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-1cn 11133 ax-addcl 11135 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-2nd 7972 df-tpos 8208 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-nn 12194 df-2 12256 df-sets 17141 df-slot 17159 df-ndx 17171 df-plusg 17240 df-oppg 19285 |
| This theorem is referenced by: oppgplus 19288 oppgoppcco 49584 |
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