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| Mirrors > Home > ILE Home > Th. List > simprrl | Unicode version | ||
| Description: Simplification of a conjunction. (Contributed by Jeff Hankins, 28-Jul-2009.) |
| Ref | Expression |
|---|---|
| simprrl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. 2
| |
| 2 | 1 | ad2antll 491 |
1
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