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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 3691 |
. 2
|
| 5 | 1, 2 | cpr 3690 |
. . 3
|
| 6 | 3 | csn 3689 |
. . 3
|
| 7 | 5, 6 | cun 3209 |
. 2
|
| 8 | 4, 7 | wceq 1398 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3734 raltpg 3742 rextpg 3743 tpeq1 3777 tpeq2 3778 tpeq3 3779 tpcoma 3785 tpass 3787 qdass 3788 tpidm12 3790 diftpsn3 3835 snsstp1 3844 snsstp2 3845 snsstp3 3846 prsstp12 3847 tpss 3862 tpssi 3863 ord3ex 4303 tpexg 4565 dmtpop 5238 funtpg 5407 funtp 5409 fntpg 5412 ftpg 5868 fvtp1g 5892 tpfidisj 7189 tpfidceq 7190 fztp 10412 hashtpgim 11217 sumtp 12100 strle3g 13321 lsptpcl 14542 perfectlem2 15868 bdctp 16642 |
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