Description: Compact quantifier-free version of the standard definition df-fin . (Contributed by Stefan O'Rear, 6-Jan-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | dffin1-5 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ensymb | |
|
2 | 1 | rexbii | |
3 | 2 | abbii | |
4 | df-fin | |
|
5 | dfima2 | |
|
6 | 3 4 5 | 3eqtr4i | |