Niou's note (1987) on Nanson's rule for determining a winner from voters' preference rankings accuses several people, including Fishburn (1977), of misstating Nanson's rule. He says, for example, that I (1977: 473) describe the rule thus: Nanson's function is a Borda elimination procedure. At each
A note on Geach's ‘dictum de omni’
✍ Scribed by William T. Parry
- Publisher
- Springer Netherlands
- Year
- 1972
- Tongue
- English
- Weight
- 51 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0031-8116
No coin nor oath required. For personal study only.
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A new proof is given of the nonuniform version of Fisher's inequality, first proved by Majumdar. The proof is ``elementary,'' in the sense of being purely combinatorial and not using ideas from linear algebra. However, no nonalgebraic proof of the n-dimensional analogue of this result (Theorem 3 her
## Abstract Grzegorczyk's modal logic (Grz) corresponds to the class of upwards well‐founded partially ordered Kripke frames, however all known proofs of this fact utilize some form of the Axiom of Choice; G. Boolos asked in [1], whether it is provable in plain ZF. We answer his question negatively