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| Mirrors > Home > ILE Home > Th. List > df-tp | Unicode version | ||
| Description: Define unordered triple of classes. Definition of [Enderton] p. 19. (Contributed by NM, 9-Apr-1994.) |
| Ref | Expression |
|---|---|
| df-tp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA |
. . 3
| |
| 2 | cB |
. . 3
| |
| 3 | cC |
. . 3
| |
| 4 | 1, 2, 3 | ctp 3710 |
. 2
|
| 5 | 1, 2 | cpr 3709 |
. . 3
|
| 6 | 3 | csn 3708 |
. . 3
|
| 7 | 5, 6 | cun 3218 |
. 2
|
| 8 | 4, 7 | wceq 1402 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3753 raltpg 3761 rextpg 3762 tpeq1 3796 tpeq2 3797 tpeq3 3798 tpcoma 3804 tpass 3806 qdass 3807 tpidm12 3809 diftpsn3 3854 snsstp1 3863 snsstp2 3864 snsstp3 3865 prsstp12 3866 tpss 3881 tpssi 3882 ord3ex 4325 tpexg 4588 dmtpop 5261 funtpg 5430 funtp 5432 fntpg 5435 ftpg 5893 fvtp1g 5917 tpfidisj 7230 tpfidceq 7231 fztp 10468 hashtpgim 11280 sumtp 12164 strle3g 13445 lsptpcl 14714 perfectlem2 16097 bdctp 16881 |
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