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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 13670 | . . 3 ⊢ (𝑀 ∈ Grp → 𝑀 ∈ Mnd) | |
| 2 | grpmnd 13670 | . . 3 ⊢ (𝑁 ∈ Grp → 𝑁 ∈ Mnd) | |
| 3 | 0ghm.z | . . . 4 ⊢ 0 = (0g‘𝑁) | |
| 4 | 0ghm.b | . . . 4 ⊢ 𝐵 = (Base‘𝑀) | |
| 5 | 3, 4 | 0mhm 13649 | . . 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 13921 | . 2 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝑀 GrpHom 𝑁) = (𝑀 MndHom 𝑁)) | |
| 8 | 6, 7 | eleqtrrd 2311 | 1 ⊢ ((𝑀 ∈ Grp ∧ 𝑁 ∈ Grp) → (𝐵 × { 0 }) ∈ (𝑀 GrpHom 𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 {csn 3673 × cxp 4729 ‘cfv 5333 (class class class)co 6028 Basecbs 13162 0gc0g 13419 Mndcmnd 13579 MndHom cmhm 13620 Grpcgrp 13663 GrpHom cghm 13907 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1re 8186 ax-addrcl 8189 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-map 6862 df-inn 9203 df-2 9261 df-ndx 13165 df-slot 13166 df-base 13168 df-plusg 13253 df-0g 13421 df-mgm 13519 df-sgrp 13565 df-mnd 13580 df-mhm 13622 df-grp 13666 df-ghm 13908 |
| This theorem is referenced by: (None) |
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