Imants Baruss, Robert E. Woodrow. A Reduction Theorem for the Kripke-Joyal Semantics: Forcing Over an Arbitrary Category can Always be Replaced by Forcing Over a Complete Heyting Algebra. Logica Universalis, 7(3):323-334, 2013. [doi]
@article{BarussW13,
title = {A Reduction Theorem for the Kripke-Joyal Semantics: Forcing Over an Arbitrary Category can Always be Replaced by Forcing Over a Complete Heyting Algebra},
author = {Imants Baruss and Robert E. Woodrow},
year = {2013},
doi = {10.1007/s11787-013-0084-y},
url = {http://dx.doi.org/10.1007/s11787-013-0084-y},
researchr = {https://researchr.org/publication/BarussW13},
cites = {0},
citedby = {0},
journal = {Logica Universalis},
volume = {7},
number = {3},
pages = {323-334},
}