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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 3693 |
. 2
|
| 5 | 1, 2 | cpr 3692 |
. . 3
|
| 6 | 3 | csn 3691 |
. . 3
|
| 7 | 5, 6 | cun 3211 |
. 2
|
| 8 | 4, 7 | wceq 1398 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3736 raltpg 3744 rextpg 3745 tpeq1 3779 tpeq2 3780 tpeq3 3781 tpcoma 3787 tpass 3789 qdass 3790 tpidm12 3792 diftpsn3 3837 snsstp1 3846 snsstp2 3847 snsstp3 3848 prsstp12 3849 tpss 3864 tpssi 3865 ord3ex 4305 tpexg 4567 dmtpop 5240 funtpg 5409 funtp 5411 fntpg 5414 ftpg 5870 fvtp1g 5894 tpfidisj 7191 tpfidceq 7192 fztp 10419 hashtpgim 11225 sumtp 12108 strle3g 13342 lsptpcl 14591 perfectlem2 15917 bdctp 16691 |
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