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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 19002 | . . 3 ⊢ (𝑀 ∈ Grp → 𝑀 ∈ Mnd) | |
| 2 | grpmnd 19002 | . . 3 ⊢ (𝑁 ∈ Grp → 𝑁 ∈ Mnd) | |
| 3 | 0ghm.z | . . . 4 ⊢ 0 = (0g‘𝑁) | |
| 4 | 0ghm.b | . . . 4 ⊢ 𝐵 = (Base‘𝑀) | |
| 5 | 3, 4 | 0mhm 18873 | . . 3 ⊢ ((𝑀 ∈ Mnd ∧ 𝑁 ∈ Mnd) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 6 | 1, 2, 5 | syl2an 607 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 MndHom 𝑁)) |
| 7 | ghmmhmb 19292 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝑀 GrpHom 𝑁) = (𝑀 MndHom 𝑁)) | |
| 8 | 6, 7 | eleqtrrd 2866 | 1 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 GrpHom 𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 {csn 4589 × cxp 5659 ‘cfv 6536 (class class class)co 7410 Basecbs 17264 0gc0g 17487 Mndcmnd 18787 MndHom cmhm 18834 Grpcgrp 18995 GrpHom cghm 19278 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-1st 7982 df-2nd 7983 df-map 8822 df-0g 17489 df-mgm 18693 df-sgrp 18772 df-mnd 18788 df-mhm 18836 df-grp 18998 df-ghm 19279 |
| This theorem is referenced by: 0frgp 19844 0lmhm 21161 nmo0 24892 0nghm 24898 |
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