Description: Deduction form of Theorem 19.9 of Margaris p. 89. (Contributed by NM, 28-Jan-1997)
Ref | Expression | ||
---|---|---|---|
Hypotheses | exlimdh.1 | |
|
exlimdh.2 | |
||
exlimdh.3 | |
||
Assertion | exlimdh | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exlimdh.1 | |
|
2 | exlimdh.2 | |
|
3 | exlimdh.3 | |
|
4 | 1 | nf5i | |
5 | 2 | nf5i | |
6 | 4 5 3 | exlimd | |