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| Mirrors > Home > MPE Home > Th. List > 0ghm | Structured version Visualization version 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 18868 | . . 3 ⊢ (𝑀 ∈ Grp → 𝑀 ∈ Mnd) | |
| 2 | grpmnd 18868 | . . 3 ⊢ (𝑁 ∈ Grp → 𝑁 ∈ Mnd) | |
| 3 | 0ghm.z | . . . 4 ⊢ 0 = (0g‘𝑁) | |
| 4 | 0ghm.b | . . . 4 ⊢ 𝐵 = (Base‘𝑀) | |
| 5 | 3, 4 | 0mhm 18742 | . . 3 ⊢ ((𝑀 ∈ Mnd ∧ 𝑁 ∈ Mnd) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 6 | 1, 2, 5 | syl2an 596 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 7 | ghmmhmb 19154 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝑀 GrpHom 𝑁) = (𝑀 MndHom 𝑁)) | |
| 8 | 6, 7 | eleqtrrd 2837 | 1 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 GrpHom 𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 {csn 4578 × cxp 5620 ‘cfv 6490 (class class class)co 7356 Basecbs 17134 0gc0g 17357 Mndcmnd 18657 MndHom cmhm 18704 Grpcgrp 18861 GrpHom cghm 19139 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 df-map 8763 df-0g 17359 df-mgm 18563 df-sgrp 18642 df-mnd 18658 df-mhm 18706 df-grp 18864 df-ghm 19140 |
| This theorem is referenced by: 0frgp 19706 0lmhm 20990 nmo0 24677 0nghm 24683 |
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