Description: The Linearity Axiom of the infinite-valued sentential logic (L-infinity) of Lukasiewicz. See loowoz for an alternate axiom. (Contributed by Mel L. O'Cat, 12-Aug-2004)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | loolin | |- ( ( ( ph -> ps ) -> ( ps -> ph ) ) -> ( ps -> ph ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jarr | |- ( ( ( ph -> ps ) -> ( ps -> ph ) ) -> ( ps -> ( ps -> ph ) ) ) |
|
| 2 | 1 | pm2.43d | |- ( ( ( ph -> ps ) -> ( ps -> ph ) ) -> ( ps -> ph ) ) |