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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 3671 |
. 2
|
| 5 | 1, 2 | cpr 3670 |
. . 3
|
| 6 | 3 | csn 3669 |
. . 3
|
| 7 | 5, 6 | cun 3198 |
. 2
|
| 8 | 4, 7 | wceq 1397 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: eltpg 3714 raltpg 3722 rextpg 3723 tpeq1 3757 tpeq2 3758 tpeq3 3759 tpcoma 3765 tpass 3767 qdass 3768 tpidm12 3770 diftpsn3 3814 snsstp1 3823 snsstp2 3824 snsstp3 3825 prsstp12 3826 tpss 3841 tpssi 3842 ord3ex 4280 tpexg 4541 dmtpop 5212 funtpg 5381 funtp 5383 fntpg 5386 ftpg 5838 fvtp1g 5862 tpfidisj 7121 tpfidceq 7122 fztp 10313 sumtp 11977 strle3g 13193 lsptpcl 14411 perfectlem2 15727 bdctp 16488 |
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