TY  - JOUR
AU  - French, Rohan
AU  - Humberstone, Lloyd
TI  - An Observation Concerning Porte’s Rule in Modal Logic
JO  - Bulletin of the Section of Logic
PY  - 2015
VL  - 44
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BSL_2015_44_1-2_a1/
ID  - BSL_2015_44_1-2_a1
ER  -