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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 3648 |
. 2
|
| 5 | 1, 2 | cpr 3647 |
. . 3
|
| 6 | 3 | csn 3646 |
. . 3
|
| 7 | 5, 6 | cun 3175 |
. 2
|
| 8 | 4, 7 | wceq 1375 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3691 raltpg 3699 rextpg 3700 tpeq1 3732 tpeq2 3733 tpeq3 3734 tpcoma 3740 tpass 3742 qdass 3743 tpidm12 3745 diftpsn3 3788 snsstp1 3797 snsstp2 3798 snsstp3 3799 prsstp12 3800 tpss 3815 tpssi 3816 ord3ex 4253 tpexg 4512 dmtpop 5180 funtpg 5348 funtp 5350 fntpg 5353 ftpg 5796 fvtp1g 5820 tpfidisj 7059 tpfidceq 7060 fztp 10242 sumtp 11891 strle3g 13107 lsptpcl 14323 perfectlem2 15639 bdctp 16145 |
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