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| Mirrors > Home > ILE Home > Th. List > 0ghm | GIF version | ||
| Description: The constant zero linear function between two groups. (Contributed by Stefan O'Rear, 5-Sep-2015.) |
| Ref | Expression |
|---|---|
| 0ghm.z | ⊢ 0 = (0g‘𝑁) |
| 0ghm.b | ⊢ 𝐵 = (Base‘𝑀) |
| Ref | Expression |
|---|---|
| 0ghm | ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 GrpHom 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmnd 13540 | . . 3 ⊢ (𝑀 ∈ Grp → 𝑀 ∈ Mnd) | |
| 2 | grpmnd 13540 | . . 3 ⊢ (𝑁 ∈ Grp → 𝑁 ∈ Mnd) | |
| 3 | 0ghm.z | . . . 4 ⊢ 0 = (0g‘𝑁) | |
| 4 | 0ghm.b | . . . 4 ⊢ 𝐵 = (Base‘𝑀) | |
| 5 | 3, 4 | 0mhm 13519 | . . 3 ⊢ ((𝑀 ∈ Mnd ∧ 𝑁 ∈ Mnd) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 6 | 1, 2, 5 | syl2an 289 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 7 | ghmmhmb 13791 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝑀 GrpHom 𝑁) = (𝑀 MndHom 𝑁)) | |
| 8 | 6, 7 | eleqtrrd 2309 | 1 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 GrpHom 𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 {csn 3666 × cxp 4717 ‘cfv 5318 (class class class)co 6001 Basecbs 13032 0gc0g 13289 Mndcmnd 13449 MndHom cmhm 13490 Grpcgrp 13533 GrpHom cghm 13777 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8090 ax-resscn 8091 ax-1re 8093 ax-addrcl 8096 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-riota 5954 df-ov 6004 df-oprab 6005 df-mpo 6006 df-1st 6286 df-2nd 6287 df-map 6797 df-inn 9111 df-2 9169 df-ndx 13035 df-slot 13036 df-base 13038 df-plusg 13123 df-0g 13291 df-mgm 13389 df-sgrp 13435 df-mnd 13450 df-mhm 13492 df-grp 13536 df-ghm 13778 |
| This theorem is referenced by: (None) |
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