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| Mirrors > Home > MPE Home > Th. List > isgrpix | Structured version Visualization version GIF version | ||
| Description: Properties that determine a group. Read 𝑁 as 𝑁(𝑥). Note: This theorem has hard-coded structure indices for demonstration purposes. It is not intended for general use. (New usage is discouraged.) (Contributed by NM, 4-Sep-2011.) |
| Ref | Expression |
|---|---|
| isgrpix.a | ⊢ 𝐵 ∈ V |
| isgrpix.b | ⊢ + ∈ V |
| isgrpix.g | ⊢ 𝐺 = {〈1, 𝐵〉, 〈2, + 〉} |
| isgrpix.2 | ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) ∈ 𝐵) |
| isgrpix.3 | ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧))) |
| isgrpix.z | ⊢ 0 ∈ 𝐵 |
| isgrpix.5 | ⊢ (𝑥 ∈ 𝐵 → ( 0 + 𝑥) = 𝑥) |
| isgrpix.6 | ⊢ (𝑥 ∈ 𝐵 → 𝑁 ∈ 𝐵) |
| isgrpix.7 | ⊢ (𝑥 ∈ 𝐵 → (𝑁 + 𝑥) = 0 ) |
| Ref | Expression |
|---|---|
| isgrpix | ⊢ 𝐺 ∈ Grp |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isgrpix.a | . . 3 ⊢ 𝐵 ∈ V | |
| 2 | isgrpix.b | . . 3 ⊢ + ∈ V | |
| 3 | isgrpix.g | . . 3 ⊢ 𝐺 = {〈1, 𝐵〉, 〈2, + 〉} | |
| 4 | 1, 2, 3 | grpbasex 17224 | . 2 ⊢ 𝐵 = (Base‘𝐺) |
| 5 | 1, 2, 3 | grpplusgx 17225 | . 2 ⊢ + = (+g‘𝐺) |
| 6 | isgrpix.2 | . 2 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) ∈ 𝐵) | |
| 7 | isgrpix.3 | . 2 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧))) | |
| 8 | isgrpix.z | . 2 ⊢ 0 ∈ 𝐵 | |
| 9 | isgrpix.5 | . 2 ⊢ (𝑥 ∈ 𝐵 → ( 0 + 𝑥) = 𝑥) | |
| 10 | isgrpix.6 | . 2 ⊢ (𝑥 ∈ 𝐵 → 𝑁 ∈ 𝐵) | |
| 11 | isgrpix.7 | . 2 ⊢ (𝑥 ∈ 𝐵 → (𝑁 + 𝑥) = 0 ) | |
| 12 | 4, 5, 6, 7, 8, 9, 10, 11 | isgrpi 18901 | 1 ⊢ 𝐺 ∈ Grp |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 Vcvv 3442 {cpr 4584 〈cop 4588 (class class class)co 7368 1c1 11039 2c2 12212 Grpcgrp 18875 |
| 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-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 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-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-n0 12414 df-z 12501 df-uz 12764 df-fz 13436 df-struct 17086 df-slot 17121 df-ndx 17133 df-base 17149 df-plusg 17202 df-0g 17373 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-grp 18878 |
| This theorem is referenced by: cnaddablx 19809 zaddablx 19813 |
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