A note on negation

A Note on Goddard and Routley's Significance Logic

“…[11, p. 274] and [4, p. 219]). 7 Notwithstanding this issue, it should be pointed out that these systems have also some logical drawbacks, the prime being that the modus ponens rule is rendered as invalid. This can be observed by noticing that when A is nonsignificant so is A ⊃ B and in each of these cases, the formulae are designated.…”

“…We conjecture that this was caused by the fact that even though Bochvar's work was written in the late 30s in Russian, it was not made available in English until the 80s, via the translation due to Merrie Bergmann (see[2]). 7 Halldén himself considered a response to this kind of accusation, claiming that a formula A is to be taken as asserting something only under significant (i.e. true or false) replacements[12, p. 47].…”

Religion and Social Coherentism

“…Not only bias, but also epistemic defects such as memory failure or incompetence can affect that process. 170 Doubtless that is right. Yet acknowledgement of those problems does not detract from the claim that coherence describes the conditions for justification-it only affects how easy it is to achieve that state.…”

Is that All There Is? The Dubious Dividends of Daniels

“…We know, for example, that the federal order has exclusive authority to accept by treaty surrenders of "Indians'" interests in land 60 but has no constitutional authority (except perhaps in the prairie provinces) to create reserves from provincial Crown land in fulfillment of its treaty promises. 61 And it is at least somewhat peculiar for Métis to count as "Indians" under section 91(24) 62 but not under natural resources transfer agreements given constitutional effect by the Constitution Act, 1930. 63 Avoidance of anomaly, therefore, is at most desirable, not compulsory, in Canadian constitutional interpretation.…”