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Definition df-tfin 4443
Description: Define the finite T operator. Definition from [Rosser] p. 528. (Contributed by SF, 12-Jan-2015.)
Assertion
Ref Expression
df-tfin Tfin Nn 1
Distinct variable group:   ,,

Detailed syntax breakdown of Definition df-tfin
StepHypRef Expression
1 cM . . 3
21ctfin 4435 . 2 Tfin
3 c0 3550 . . . 4
41, 3wceq 1642 . . 3
5 vn . . . . . . 7
65cv 1641 . . . . . 6
7 cnnc 4373 . . . . . 6 Nn
86, 7wcel 1710 . . . . 5 Nn
9 va . . . . . . . . 9
109cv 1641 . . . . . . . 8
1110cpw1 4135 . . . . . . 7 1
1211, 6wcel 1710 . . . . . 6 1
1312, 9, 1wrex 2615 . . . . 5 1
148, 13wa 358 . . . 4 Nn 1
1514, 5cio 4337 . . 3 Nn 1
164, 3, 15cif 3662 . 2 Nn 1
172, 16wceq 1642 1 Tfin Nn 1
Colors of variables: wff setvar class
This definition is referenced by:  tfinex  4485  eqtfinrelk  4486  tfineq  4488  tfinprop  4489  tfinnul  4491
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