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Definition df-fin2 8687
Description: A set is II-finite (Tarski finite) iff every nonempty chain of subsets contains a maximum element. Definition II of [Levy58] p. 2. (Contributed by Stefan O'Rear, 12-Nov-2014.)
Assertion
Ref Expression
df-fin2
Distinct variable group:   ,

Detailed syntax breakdown of Definition df-fin2
StepHypRef Expression
1 cfin2 8680 . 2
2 vy . . . . . . . 8
32cv 1394 . . . . . . 7
4 c0 3784 . . . . . . 7
53, 4wne 2652 . . . . . 6
6 crpss 6579 . . . . . . 7
73, 6wor 4804 . . . . . 6
85, 7wa 369 . . . . 5
93cuni 4249 . . . . . 6
109, 3wcel 1818 . . . . 5
118, 10wi 4 . . . 4
12 vx . . . . . . 7
1312cv 1394 . . . . . 6
1413cpw 4012 . . . . 5
1514cpw 4012 . . . 4
1611, 2, 15wral 2807 . . 3
1716, 12cab 2442 . 2
181, 17wceq 1395 1
Colors of variables: wff setvar class
This definition is referenced by:  isfin2  8695
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