Description: Step 19 of Meredith's proof of Lukasiewicz axioms from his sole axiom. (Contributed by NM, 14-Dec-2002) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | merlem10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | meredith | ||
2 | meredith | ||
3 | merlem9 | ||
4 | 2 3 | ax-mp | |
5 | 1 4 | ax-mp |