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Mirrors > Home > ILE Home > Th. List > mgm1 | Unicode version |
Description: The structure with one element and the only closed internal operation for a singleton is a magma. (Contributed by AV, 10-Feb-2020.) |
Ref | Expression |
---|---|
mgm1.m |
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Ref | Expression |
---|---|
mgm1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ov 5900 |
. . . . . 6
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2 | opexg 4246 |
. . . . . . . 8
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3 | 2 | anidms 397 |
. . . . . . 7
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4 | fvsng 5733 |
. . . . . . 7
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5 | 3, 4 | mpancom 422 |
. . . . . 6
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6 | 1, 5 | eqtrid 2234 |
. . . . 5
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7 | snidg 3636 |
. . . . 5
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8 | 6, 7 | eqeltrd 2266 |
. . . 4
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9 | oveq1 5904 |
. . . . . . . 8
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10 | 9 | eleq1d 2258 |
. . . . . . 7
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11 | 10 | ralbidv 2490 |
. . . . . 6
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12 | 11 | ralsng 3647 |
. . . . 5
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13 | oveq2 5905 |
. . . . . . 7
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14 | 13 | eleq1d 2258 |
. . . . . 6
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15 | 14 | ralsng 3647 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | 12, 15 | bitrd 188 |
. . . 4
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17 | 8, 16 | mpbird 167 |
. . 3
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18 | snexg 4202 |
. . . . 5
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19 | opexg 4246 |
. . . . . . 7
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20 | 3, 19 | mpancom 422 |
. . . . . 6
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21 | snexg 4202 |
. . . . . 6
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22 | 20, 21 | syl 14 |
. . . . 5
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23 | mgm1.m |
. . . . . 6
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24 | 23 | grpbaseg 12641 |
. . . . 5
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25 | 18, 22, 24 | syl2anc 411 |
. . . 4
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26 | 23 | grpplusgg 12642 |
. . . . . . . 8
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27 | 18, 22, 26 | syl2anc 411 |
. . . . . . 7
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28 | 27 | oveqd 5914 |
. . . . . 6
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29 | 28, 25 | eleq12d 2260 |
. . . . 5
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30 | 25, 29 | raleqbidv 2698 |
. . . 4
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31 | 25, 30 | raleqbidv 2698 |
. . 3
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32 | 17, 31 | mpbid 147 |
. 2
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33 | 7, 25 | eleqtrd 2268 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
34 | eqid 2189 |
. . . 4
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35 | eqid 2189 |
. . . 4
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36 | 34, 35 | ismgmn0 12837 |
. . 3
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37 | 33, 36 | syl 14 |
. 2
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38 | 32, 37 | mpbird 167 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-sep 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 ax-cnex 7933 ax-resscn 7934 ax-1cn 7935 ax-1re 7936 ax-icn 7937 ax-addcl 7938 ax-addrcl 7939 ax-mulcl 7940 ax-addcom 7942 ax-addass 7944 ax-i2m1 7947 ax-0lt1 7948 ax-0id 7950 ax-rnegex 7951 ax-pre-ltirr 7954 ax-pre-ltadd 7958 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-nel 2456 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-sbc 2978 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-br 4019 df-opab 4080 df-mpt 4081 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-res 4656 df-iota 5196 df-fun 5237 df-fn 5238 df-fv 5243 df-ov 5900 df-pnf 8025 df-mnf 8026 df-ltxr 8028 df-inn 8951 df-2 9009 df-ndx 12518 df-slot 12519 df-base 12521 df-plusg 12605 df-mgm 12835 |
This theorem is referenced by: sgrp1 12889 |
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