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| Mirrors > Home > ILE Home > Th. List > ismgmn0 | Unicode version | ||
| Description: The predicate "is a magma" for a structure with a nonempty base set. (Contributed by AV, 29-Jan-2020.) |
| Ref | Expression |
|---|---|
| ismgmn0.b |
|
| ismgmn0.o |
|
| Ref | Expression |
|---|---|
| ismgmn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | basfn 13411 |
. . . . . 6
| |
| 2 | fnrel 5479 |
. . . . . 6
| |
| 3 | 1, 2 | ax-mp 5 |
. . . . 5
|
| 4 | relelfvdm 5727 |
. . . . 5
| |
| 5 | 3, 4 | mpan 428 |
. . . 4
|
| 6 | ismgmn0.b |
. . . 4
| |
| 7 | 5, 6 | eleq2s 2333 |
. . 3
|
| 8 | 7 | elexd 2835 |
. 2
|
| 9 | ismgmn0.o |
. . 3
| |
| 10 | 6, 9 | ismgm 13677 |
. 2
|
| 11 | 8, 10 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-iota 5337 df-fun 5379 df-fn 5380 df-fv 5385 df-ov 6088 df-inn 9305 df-2 9363 df-ndx 13355 df-slot 13356 df-base 13358 df-plusg 13444 df-mgm 13676 |
| This theorem is used by: mgm1 13690 opifismgmdc 13691 issgrpn0 13720 |
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