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| Mirrors > Home > MPE Home > Th. List > mndplusf | Structured version Visualization version GIF version | ||
| Description: The group addition operation is a function. (Contributed by Mario Carneiro, 14-Aug-2015.) (Proof shortened by AV, 3-Feb-2020.) |
| Ref | Expression |
|---|---|
| mndplusf.1 | ⊢ 𝐵 = (Base‘𝐺) |
| mndplusf.2 | ⊢ ⨣ = (+𝑓‘𝐺) |
| Ref | Expression |
|---|---|
| mndplusf | ⊢ (𝐺 ∈ Mnd → ⨣ :(𝐵 × 𝐵)⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndmgm 18766 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndplusf.1 | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndplusf.2 | . . 3 ⊢ ⨣ = (+𝑓‘𝐺) | |
| 4 | 2, 3 | mgmplusf 18675 | . 2 ⊢ (𝐺 ∈ Mgm → ⨣ :(𝐵 × 𝐵)⟶𝐵) |
| 5 | 1, 4 | syl 17 | 1 ⊢ (𝐺 ∈ Mnd → ⨣ :(𝐵 × 𝐵)⟶𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 × cxp 5641 ⟶wf 6512 ‘cfv 6516 Basecbs 17236 +𝑓cplusf 18662 Mgmcmgm 18663 Mndcmnd 18759 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-fv 6524 df-ov 7394 df-oprab 7395 df-mpo 7396 df-1st 7965 df-2nd 7966 df-plusf 18664 df-mgm 18665 df-sgrp 18744 df-mnd 18760 |
| This theorem is referenced by: mndpfo 18782 grpplusf 18981 efmndtmd 24149 submtmd 24152 mhmhmeotmd 34185 |
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