Metamath Proof Explorer
Description: Inference form of Theorem 19.21 of Margaris p. 90. See 19.21 and
19.21v . (Contributed by NM, 21-Jun-1993)
|
|
Ref |
Expression |
|
Hypothesis |
alrimiv.1 |
|
|
Assertion |
alrimiv |
|
Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
alrimiv.1 |
|
| 2 |
|
ax-5 |
|
| 3 |
2 1
|
alrimih |
|