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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 13469 |
. . . . . 6
| |
| 2 | fnrel 5482 |
. . . . . 6
| |
| 3 | 1, 2 | ax-mp 5 |
. . . . 5
|
| 4 | relelfvdm 5730 |
. . . . 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 13736 |
. 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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 |
| 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 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-ov 6091 df-inn 9314 df-2 9372 df-ndx 13413 df-slot 13414 df-base 13416 df-plusg 13503 df-mgm 13735 |
| This theorem is used by: mgm1 13749 opifismgmdc 13750 issgrpn0 13779 |
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