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| Mirrors > Home > ILE Home > Th. List > grpbaseg | GIF version | ||
| Description: The base set of a constructed group. (Contributed by Mario Carneiro, 2-Aug-2013.) (Revised by Mario Carneiro, 30-Apr-2015.) |
| Ref | Expression |
|---|---|
| grpfn.g | ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉} |
| Ref | Expression |
|---|---|
| grpbaseg | ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐵 = (Base‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpfn.g | . 2 ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈(+g‘ndx), + 〉} | |
| 2 | df-plusg 13089 | . 2 ⊢ +g = Slot 2 | |
| 3 | 1lt2 9248 | . 2 ⊢ 1 < 2 | |
| 4 | 2nn 9240 | . 2 ⊢ 2 ∈ ℕ | |
| 5 | 1, 2, 3, 4 | 2strbasg 13119 | 1 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐵 = (Base‘𝐺)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1375 ∈ wcel 2180 {cpr 3647 〈cop 3649 ‘cfv 5294 2c2 9129 ndxcnx 12995 Basecbs 12998 +gcplusg 13076 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 713 ax-5 1473 ax-7 1474 ax-gen 1475 ax-ie1 1519 ax-ie2 1520 ax-8 1530 ax-10 1531 ax-11 1532 ax-i12 1533 ax-bndl 1535 ax-4 1536 ax-17 1552 ax-i9 1556 ax-ial 1560 ax-i5r 1561 ax-13 2182 ax-14 2183 ax-ext 2191 ax-sep 4181 ax-pow 4237 ax-pr 4272 ax-un 4501 ax-setind 4606 ax-cnex 8058 ax-resscn 8059 ax-1cn 8060 ax-1re 8061 ax-icn 8062 ax-addcl 8063 ax-addrcl 8064 ax-mulcl 8065 ax-addcom 8067 ax-addass 8069 ax-i2m1 8072 ax-0lt1 8073 ax-0id 8075 ax-rnegex 8076 ax-pre-ltirr 8079 ax-pre-ltadd 8083 |
| This theorem depends on definitions: df-bi 117 df-3an 985 df-tru 1378 df-fal 1381 df-nf 1487 df-sb 1789 df-eu 2060 df-mo 2061 df-clab 2196 df-cleq 2202 df-clel 2205 df-nfc 2341 df-ne 2381 df-nel 2476 df-ral 2493 df-rex 2494 df-rab 2497 df-v 2781 df-sbc 3009 df-dif 3179 df-un 3181 df-in 3183 df-ss 3190 df-nul 3472 df-pw 3631 df-sn 3652 df-pr 3653 df-op 3655 df-uni 3868 df-int 3903 df-br 4063 df-opab 4125 df-mpt 4126 df-id 4361 df-xp 4702 df-rel 4703 df-cnv 4704 df-co 4705 df-dm 4706 df-rn 4707 df-res 4708 df-iota 5254 df-fun 5296 df-fv 5302 df-ov 5977 df-pnf 8151 df-mnf 8152 df-ltxr 8154 df-inn 9079 df-2 9137 df-ndx 13001 df-slot 13002 df-base 13004 df-plusg 13089 |
| This theorem is referenced by: mgm1 13369 sgrp1 13410 mnd1 13454 mnd1id 13455 grppropstrg 13518 grp1 13605 grp1inv 13606 ring1 13988 |
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