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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 3668 |
. 2
|
| 5 | 1, 2 | cpr 3667 |
. . 3
|
| 6 | 3 | csn 3666 |
. . 3
|
| 7 | 5, 6 | cun 3195 |
. 2
|
| 8 | 4, 7 | wceq 1395 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3711 raltpg 3719 rextpg 3720 tpeq1 3752 tpeq2 3753 tpeq3 3754 tpcoma 3760 tpass 3762 qdass 3763 tpidm12 3765 diftpsn3 3809 snsstp1 3818 snsstp2 3819 snsstp3 3820 prsstp12 3821 tpss 3836 tpssi 3837 ord3ex 4274 tpexg 4535 dmtpop 5204 funtpg 5372 funtp 5374 fntpg 5377 ftpg 5827 fvtp1g 5851 tpfidisj 7099 tpfidceq 7100 fztp 10282 sumtp 11933 strle3g 13149 lsptpcl 14366 perfectlem2 15682 bdctp 16259 |
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