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Uniform Weak Kleene Logics
No full textIn a multiple-premise and multiple-conclusion setting, logicians typically use the metalinguistic expression "," to gather premises and conclusions. In most logical systems, this comma can be freely interchanged with the object-language conjunction on the premise side and with the object-language disjunction on the conclusion side. However, this is not the case for Weak Kleene Logics (WK logics), which include Paraconsistent Weak Kleene (PWK) and its paracomplete counterpart (K3w).
The aim of this work is to define two new substructural systems called uniform Weak Kleene logics (uWK logics), uPWK and uK3w, which re-establish what we call "Uniformity": the correspondence between the structural comma and the object-language WK operators. We begin by providing some philosophical arguments advocating for it as a desirable logical feature. We then introduce a novel two-sided sequent calculus free of linguistic restrictions both for PWK and K3w and show that, with minor adjustments, we can achieve sound and complete sequent calculi for uPWK and uK3w. Finally, we generalize our results for WK logics and their uniform counterparts to other infectious Tarskian logics that meet specific criteria
Rethinking Parent Reunification Policy in New Zealand and Lessons from Canada: welcoming the skilled, restricting their family?
Full text linkFamily reunification remains a socially vital yet politically contested element of immigration policy. This article presents a comparative analysis of Canada and New Zealand’s approaches to parent reunification, highlighting Canada’s sustained institutional commitment amid neoliberal reforms and contrasting it with New Zealand’s episodic suspensions and reactive policy shifts. Applying a lesson-drawing framework, the article examines how Canada’s incremental adjustments – such as integrating economic logic without dismantling core family programmes – can inform more coherent and principled policy design in New Zealand. It argues that economic sustainability and family unity need not be mutually exclusive, and that older migrants contribute significant social capital through childcare, cultural continuity and migrant retention. The analysis concludes with practical recommendations for strengthening New Zealand’s parent reunification framework, including targeted eligibility criteria
Extreme Inequality as a Threat to Democracy
Full text linkGlobally, income and wealth inequality are reaching staggering levels. According to the authoritative World Inequality Report 2026 (Chancel et al., 2025), the combined earnings of the top 10% of humanity are around seven times those of the bottom 50%. Wealth inequality is even more pronounced: the top 10% enjoy almost 40 times the wealth of the bottom 50%
Whānau Ora 2.0: the real problem isn’t the who, it’s the what
Full text linkThe evolution of Whānau Ora is often seen as a contest between providers, but the deeper issue is the erosion of its original institutional logic. This shift weakens the policy’s transformative potential and risks diminishing Indigenous-led approaches to entrenched social issues. As social investment becomes more influential, understanding and intentionally applying models of impact creation is vital. Whānau Ora’s foundation in self-determination and relational practice offers valuable lessons that could significantly enhance contemporary investment strategies, but only if its core logic is preserved and applied with fidelity
Early Career Voices from a Changing Research System
Full text linkAotearoa New Zealand’s research landscape is undergoing a profound transformation. Restructuring across universities, polytechnics, and newly formed Public Research Organisations (PROs) has reshaped not only how research is organised and funded, but also what it feels like to build a career within it. These changes are unfolding amid tightening budgets, growing geopolitical instability, and escalating climate pressures, alongside a broader global crisis of trust in research. This collection brings together the voices of early career researchers (ECRs), whose reflections show how a system in crisis is experienced and navigated at a human scale, while also highlighting the resilience, creativity, and solidarity that point toward pathways forward
What Works in School Meals? Policy lessons from school meal programmes in Brazil and New Zealand
Full text linkThe Ka Ora, Ka Ako Healthy School Lunches programme has been operating for six years, feeding one quarter of New Zealand’s students, with demonstrated early success; however, its future is not guaranteed. Brazil’s National School Feeding Programme represents one of the largest and longest-standing food provision initiatives in the world, currently feeding all students enrolled in public schools, and has seen massive success in lifting children out of malnutrition; national food insecurity rates are now lower than New Zealand’s. This study applied a policy analysis framework to compare the two programmes in terms of their content, actors, process and implementation context to distil key insights for New Zealand regarding building programme sustainability and legitimacy. We discuss how these two programmes evolved from different societal and governmental values, highlight mutual lessons to be learned, and provide insights for other school meal programmes worldwide
A tour around the boardroom: Some reflections on how to design boardrooms
No full textPurpose: This short reflective paper based on my keynote speech that I delivered at the 2024 African Accounting and Finance Association's (AAFA) Annual Conference at the University of Zimbabwe, Harare, aims to explore how specific boardroom characteristics influence sustainable corporate governance. It seeks to demonstrate that traditional "best practices" in corporate governance are highly context-dependent and may not be universally beneficial, particularly in emerging and entrepreneurial environments such as those found in Africa.
Design/methodology/approach: This reflective paper draws on a synthesis of prior empirical and theoretical research by the author and others to examine the roles of CEO duality, board independence, and board diversity (gender and age) in shaping sustainable governance. The discussion is enriched through a series of contextualised research insights, with a focus on applicability to both developed and emerging market settings.Findings: This reflective paper finds that board characteristics such as CEO duality, independence, and diversity do not have uniformly positive or negative effects on firm performance or sustainability. Instead, their effects depend on the organisational context, including firm size, industry type, ownership structure, and market volatility. For instance, CEO duality can be positively perceived in innovative or volatile environments, while board independence may be undermined by hidden social or structural ties. Gender and age diversity may also generate value depending on the governance environment and firm lifecycle stage.
Originality/value: This reflective paper provides a critical reflection on the universal application of corporate governance codes. It emphasises the need for flexible and context aware governance frameworks, particularly in African and emerging market contexts where entrepreneurial activity and early-stage firms are more prevalent. It challenges one-size-fits-all assumptions embedded in many governance codes and encourages policymakers and boards to adapt governance designs to their specific contexts
On anticut rules: classical, FDE-based and intuitionistic logics
No full textIn this paper, we investigate certain intricacies and peculiarities of the proof
theory of deduction-refutation systems (D-R systems, henceforth), namely systems integrating
theorems and antitheorems of a given logic. Our primary focus is on establishing
the general conditions under which anticut rules (the contrapositive versions of the familiar
cut rule) can be eliminated from D-R sequent calculi, while distinguishing between
two main variants of these systems. This is a topic that has recently been highlighted in
the context of D-R sequent calculi for first-degree entailment-based logics. Finally,
we examine the relationship between anticut rules and the completeness of D-R sequent
calculi with respect to deducibility and refutability (Ł-completeness)
There is a Logical Negation: "Yes," "No," Both, and Neither
No full textJc Beall agues that if FDE is logic proper, then there is no logical negation. This claim is largely based on the fact that, in standard proof systems for FDE, there are no stand-alone negation rules that suffice to capture the behavior of negation. In this paper, I show that by adopting a bilateral proof system for FDE, one can maintain that there is a logical negation, it is the very same logical negation that belongs to classical logic, and its basic function is to flip-flop between assertion and denial. I conclude by responding to the objection that it can never be coherent to both assert and deny the very same thing
Deference and Infinite Frames
No full textThis paper concerns three recent results concerning probabilistic deference. The results show interesting things about how various kinds of deference work on finite frames, but in each case the results do not naturally generalise to infinite frames. The non-generalisation raises interesting philosophical questions about the epistemological significance of the original results, and in the conclusion I briefly note reasons for thinking that epistemologists should be interested in what happens on infinite frames. The main priority, however, is simply showing that the finite and infinite frames behave differently in all three cases
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