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Description: Prove if ( A e. ~H , A , 0h ) e. ~H . (Contributed by David A. Wheeler, 7-Dec-2018) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | ifhvhv0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-hv0cl | ||
| 2 | 1 | elimel |