| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 19288 | . . . . 5 ⊢ 𝑂 = (𝑅 sSet 〈(+g‘ndx), tpos + 〉) |
| 5 | 4 | fveq2i 6845 | . . . 4 ⊢ (+g‘𝑂) = (+g‘(𝑅 sSet 〈(+g‘ndx), tpos + 〉)) |
| 6 | 2 | fvexi 6856 | . . . . . 6 ⊢ + ∈ V |
| 7 | 6 | tposex 8212 | . . . . 5 ⊢ tpos + ∈ V |
| 8 | plusgid 17216 | . . . . . 6 ⊢ +g = Slot (+g‘ndx) | |
| 9 | 8 | setsid 17146 | . . . . 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 2791 | . . 3 ⊢ (𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 12 | tpos0 8208 | . . . . 5 ⊢ tpos ∅ = ∅ | |
| 13 | 8 | str0 17128 | . . . . 5 ⊢ ∅ = (+g‘∅) |
| 14 | 12, 13 | eqtr2i 2761 | . . . 4 ⊢ (+g‘∅) = tpos ∅ |
| 15 | reldmsets 17104 | . . . . . . 7 ⊢ Rel dom sSet | |
| 16 | 15 | ovprc1 7407 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), tpos + 〉) = ∅) |
| 17 | 4, 16 | eqtrid 2784 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → 𝑂 = ∅) |
| 18 | 17 | fveq2d 6846 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = (+g‘∅)) |
| 19 | fvprc 6834 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑅) = ∅) | |
| 20 | 2, 19 | eqtrid 2784 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → + = ∅) |
| 21 | 20 | tposeqd 8181 | . . . 4 ⊢ (¬ 𝑅 ∈ V → tpos + = tpos ∅) |
| 22 | 14, 18, 21 | 3eqtr4a 2798 | . . 3 ⊢ (¬ 𝑅 ∈ V → (+g‘𝑂) = tpos + ) |
| 23 | 11, 22 | pm2.61i 182 | . 2 ⊢ (+g‘𝑂) = tpos + |
| 24 | 1, 23 | eqtri 2760 | 1 ⊢ ✚ = tpos + |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ∅c0 4287 〈cop 4588 ‘cfv 6500 (class class class)co 7368 tpos ctpos 8177 sSet csts 17102 ndxcnx 17132 +gcplusg 17189 oppgcoppg 19286 |
| 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 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-2nd 7944 df-tpos 8178 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-nn 12158 df-2 12220 df-sets 17103 df-slot 17121 df-ndx 17133 df-plusg 17202 df-oppg 19287 |
| This theorem is referenced by: oppgplus 19290 oppgoppcco 49944 |
| Copyright terms: Public domain | W3C validator |