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  • Clint Warren

Logic: Found or Made

The question of whether logic is invented or discovered is a philosophical one, and scientific support alone cannot definitively answer this question. The nature of logic, its role in human cognition, and its relationship to reality are topics that fall within the domain of philosophy and epistemology.

While scientific research can provide insights into how the human brain processes information and reasons, it cannot directly address the ontological status of logical principles (i.e., whether they exist independently of human thought or are products of human cognition).

Some scientific studies might explore the cognitive processes involved in logical reasoning, investigating how the brain handles logical tasks or how people develop logical abilities during cognitive development. Such research can help us understand the mechanisms behind logical thinking but does not provide a definitive answer to whether logic is invented or discovered.

The question of logic being invented or discovered is an ongoing philosophical debate, with various perspectives and arguments on both sides. Some philosophers and scientists might lean toward the idea that logical principles are constructed or invented by human minds, while others may argue for a more objective and discovered view of logic. John Dewey, the American philosopher and educator, proposed the concept that logic is invented rather than being an inherent, fixed structure of the world. According to Dewey, logic is a product of human inquiry and reflective thought, and it evolves as our understanding of the world progresses.

Dewey argued that logic is not an abstract, universal set of rules, but rather a tool that human beings have created to navigate and make sense of their experiences. He believed that logic arises from our practical experiences and interactions with the environment, and it is continually shaped and refined through our ongoing interactions with the world.

In this view, logic is not something imposed upon reality, but a dynamic process that adapts to our changing needs and knowledge. By emphasizing the experiential basis of logic, Dewey aimed to connect logical thinking with concrete situations and problem-solving in real-life contexts. Dewey's concept challenges the idea of a fixed, eternal, a priori logic and emphasizes the human element in shaping and constructing the principles of reasoning and inference.

There are many philosophers, educators, and thinkers who support John Dewey's concept that logic is invented rather than being a fixed, universal structure. Dewey's ideas have been influential and have resonated with various schools of thought.

Pragmatism, as a philosophical approach, emphasizes the practical consequences of ideas and views truth as something that emerges from ongoing interactions and experiences. Dewey's concept of logic being a product of human inquiry aligns well with this pragmatic perspective.

Additionally, constructivist theories in education propose that knowledge is actively constructed by individuals based on their experiences and interactions with the world. Dewey's notion that logic arises from practical experiences and reflects the dynamic nature of human inquiry is often in line with constructivist educational approaches, insomuch as such approaches do not take on the character of radical constructivism which challenges traditional notions of knowledge, reality, and learning by proposing that knowledge is solely constructed by individuals and is not an objective approximation of truth.

While Dewey's ideas have faced criticism and are not universally accepted, they have had a significant impact on various fields, including education, philosophy, and psychology. Many scholars find value in his emphasis on the contextual and experiential aspects of logical thinking and the idea that logic is a tool that evolves as our understanding of the world evolves. The main argument against John Dewey's view that logic is invented is rooted in the belief in the existence of an a priori, universal, and fixed set of logical principles. Opponents of Dewey's position argue that logic is not merely a product of human invention or subjective construction but reflects inherent and immutable laws governing reasoning and the structure of reality. However, Daniel Dennett, another prominent philosopher, argues that the existence of seemingly logical laws or rationales does not necessarily imply that these rationales are inherent or objective elements of things. Instead, they are often tied to human purposes and interpretations.

In Dennett's view, free-floating rationales are explanations or justifications that we impose on various phenomena, including logical principles. These rationales may be valuable for human understanding and problem-solving, but they are not necessarily inherent properties of the things themselves. They arise within the context of human cognition and interpretation.

Applying this idea to the debate about logic, one could argue that logical principles, while providing a rationale for human reasoning, are not necessarily fixed and universal elements of reality. Instead, they emerge from human interactions with the world and serve as tools for organizing and making sense of our experiences. Logical principles don't govern reasoning they are merely the language used to describe it.

Thus, while opponents of Dewey's view might emphasize the objectivity of logic, proponents of Dewey's position, along with Dennett's perspective, would contend that logic's function and significance are closely tied to human purposes and interpretations, making it a product of human inquiry rather than an independent, objective truth. This nuanced view acknowledges the role of human cognition and context in shaping our understanding of logic while recognizing the pragmatic value of logical principles in achieving our goals and making sense of the world.

Claiming that logic is objective would be the harder of the two claims to substantiate. Asserting the objectivity of logic requires demonstrating that logical principles are universally true and independent of human thought, culture, and interpretation.

To establish the objectivity of logic, one would need to show that logical laws, such as the laws of identity, non-contradiction, and excluded middle, hold true in all possible worlds and are not contingent upon human cognition or subjective perspectives. However, this task presents several challenges.

Different cultures and historical periods have had various logical systems, which suggests that logical principles are influenced by cultural and historical contexts rather than being universal and objective.


There are non-classical and paraconsistent logics that challenge the strict application of classical logical principles. These alternative systems demonstrate that the choice of logical rules can be subject to debate and interpretation.


The study of logic itself relies on human reasoning and cognition, leading to the question of how we can objectively determine the objectivity of logic without invoking circular reasoning.


Gödel's theorems in mathematical logic show that any formal logical system of sufficient complexity will have statements that cannot be proven or disproven within that system. This implies that logical systems inherently have limitations and might not capture the entirety of truth or reality. Animals exhibit forms of logic in their behavior, and this observation can be reconciled with Dewey's philosophy through his views on the continuity of experience and the evolutionary perspective on intelligence. Logic is not an exclusively human invention but rather a product of the continuous interaction between organisms and their environment. As animals engage with their surroundings to achieve their goals and adapt to changing circumstances, they develop patterns of behavior that demonstrate a form of logical reasoning suitable for their survival and well-being. While animal logic may not be as abstract or explicit as human logical systems, it still reflects their capacity to reason and respond to the world based on their experiences. For example, animals demonstrate problem-solving abilities, spatial reasoning, and social behavior that involve logical patterns tailored to their specific needs. Animals didn't also "discover" logic. Logic is merely how we humans describe animal behavior. Dewey's philosophy emphasizes the continuity of experience, which means that there is no absolute gap between human and animal behaviors or cognitive processes. He viewed human intelligence as an extension and elaboration of the basic elements found in animal behavior. Therefore, animals also display certain logical patterns in their actions, though they may be less complex than those observed in humans.

Given these challenges, claiming the objectivity of logic involves addressing complex philosophical questions and providing compelling evidence that transcends cultural, historical, and cognitive biases, as well as addresses the apparent implementation of logic across species.

Treating logic as invented and evolving, with a more pragmatic and contextual understanding of logical principles, makes it a relatively more accessible position to defend. Dewey's pragmatist approach to knowledge and truth emphasizes the role of experience and empirical investigation in shaping our understanding of the world. He maintains that while a priori truths and logic principles may hold a certain degree of universality, their meaning and significance are derived from their practical application in the context of human experience.

Dewey's correction applies to the traditional view of a priori truths as fixed and immutable entities. Instead, he considers knowledge, including a priori knowledge, as evolving and contingent upon the ongoing interactions between human beings and their environment.

In this sense, Dewey favors a posteriori knowledge over a prior knowledge, which is said to be based on observation and experience. He emphasizes the importance of experiential verification and the role of inquiry in arriving at conclusions.

Dewey may challenge the traditional notion of a priori truth as absolute and independent of experience though he does not outright reject the concept. Instead, he integrates a more pragmatic and experiential understanding of knowledge, considering both a priori and a posteriori elements as interconnected in the ongoing process of human inquiry and understanding. In the context of viewing beliefs as attitudinal habits of action, logic can be understood as a tool that humans have invented to guide and shape their beliefs and actions. According to this approach, beliefs are not just abstract mental states but are intricately connected to our actions and behaviors in the world.

In this perspective, logic is seen as a set of rules or principles that govern how we reason and make inferences in order to achieve our goals and navigate our experiences effectively. These logical principles are not inherent or objective truths but are products of human invention that have emerged through our practical interactions with the world.

A logical belief, then, can be described as a belief that aligns with the principles of logic that we have constructed. It is a belief that has some prior sanction in the sense that it conforms to the logical rules that we have collectively agreed upon as useful for making sense of our experiences and guiding our actions.

Making sense of logic in these terms involves recognizing that logical principles are tools we have developed to ensure coherence and consistency in our reasoning. They help us identify valid arguments and avoid contradictions. However, the rules of logic are not rigid and fixed; they are subject to change and refinement as our understanding of the world and our goals evolve.

Logic is not something imposed upon reality but is a human construct that reflects our ongoing efforts to organize and interpret the world in ways that are meaningful and useful for our purposes. It emphasizes the pragmatic and contextual nature of logical thinking, rooted in our experiences and aimed at achieving our objectives.

By understanding logic as invented attitudinal habits of action, we acknowledge the active role of human agency in shaping our beliefs and reasoning processes. It highlights the flexibility and adaptability of logic, making it a dynamic tool that evolves with us as we continue to engage with the world and pursue our goals.

From Dewey's pragmatic perspective, logic emerges as a result of the interaction between behavior and the environment. It describes the patterns of thought and reasoning that are shaped by this ongoing interaction. Logic, in this sense, is not an abstract, a priori system but a product of the practical experiences and problem-solving needs of individuals and communities.

Logic describes the behavior as a process of intelligent adaptation and problem-solving. It guides how individuals reason, make inferences, and draw conclusions based on their experiences and goals. Through logical patterns, individuals can navigate their environment effectively and achieve their purposes.

In the case of evolution, logic describes animal behavior as a means to achieve survival and reproductive goals. Animals display a form of logic tailored to their specific needs and environmental challenges. Spatial reasoning, memory, and decision-making in animals all reflect their cognitive adaptations to their ecological niche and the demands of their natural habitats.

Logic is complimentary to animal purposes in the sense that it serves as a tool for effective action. Logic, as an evolved invention of cognition, allows animals to solve problems, anticipate outcomes, and adapt to changes in their environment. It complements survival and reproductive strategies, helping us thrive in our particular ecological context.


Produced by Clint Warren - Aided by ChatGPT

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