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== Natural history == The Natural History of Pliny the Elder was a classical Roman encyclopedia work. Induction, for Bacon's followers, meant a type of rigour applied to factual matters. Reasoning should not be applied in plain fashion to just any collection of examples, an approach identified as "Plinian". In considering natural facts, a fuller survey was required to form a basis for going further. Bacon made it clear he was looking for more than "a botany" with discursive accretions. In concrete terms, the cabinet of curiosities, exemplifying the Plinian approach, was to be upgraded from a source of wonderment to a challenge to science. The main source in Bacon's works for the approach was his Sylva Sylvarum, and it suggested a more systematic collection of data in the search for causal explanations. Underlying the method, as applied in this context, are therefore the "tables of natural history" and the ways in which they are to be constructed. Bacon's background in the common law has been proposed as a source for this concept of investigation. As a general intellectual programme, Bacon's ideas on "natural history" have been seen as a broad influence on British writers later in the 17th century, in particular in economic thought and within the Royal Society.

== Idols of the mind (idola mentis) ==

Bacon also listed what he called the idols (false images) of the mind. He described these as things which obstructed the path of correct scientific reasoning.

Idols of the Tribe (Idola tribus): This is humans' tendency to perceive more order and regularity in systems than truly exists, and is due to people following their preconceived ideas about things. Idols of the Cave (Idola specus): This is due to individuals' personal weaknesses in reasoning due to particular personalities, likes and dislikes. Idols of the Marketplace (Idola fori): This is due to confusion in the use of language and taking some words in science to have a different meaning than their common usage. Idols of the Theatre (Idola theatri): This is the following of academic dogma and not asking questions about the world.

== Influence == The physician Thomas Browne (16051682) was one of the first scientists to adhere to the empiricism of the Baconian method. His encyclopaedia Pseudodoxia Epidemica (1st edition 1646 5th edition 1672) includes numerous examples of Baconian investigative methodology, while its preface echoes lines from Bacon's On Truth from The Advancement of Learning (1605). Isaac Newton's saying hypotheses non fingo (I don't frame hypotheses) occurs in later editions of the Principia. It represents his preference for rules that could be demonstrated, as opposed to unevidenced hypotheses. The Baconian method was further developed and promoted by John Stuart Mill. His 1843 book, A System of Logic, was an effort to shed further light on issues of causation. In this work, he formulated the five principles of inductive reasoning now known as Mill's methods.

== Frankfurt School critique of Baconian method ==

Max Horkheimer and Theodor Adorno observe that Bacon shuns "knowledge that tendeth but to satisfaction" in favor of effective procedures. While the Baconian method disparages idols of the mind, its requirement for effective procedures compels it to adopt a credulous, submissive stance toward worldly power.

Power confronts the individual as the universal, as the reason which informs reality. Knowledge, which is power, knows no limits, either in its enslavement of creation or in its deference to worldly masters. Horkheimer and Adorno offer a plea to recover the virtues of the "metaphysical apologia", which is able to reveal the injustice of effective procedures rather than merely employing them.

The metaphysical apologia at least betrayed the injustice of the established order through the incongruence of concept and reality. The impartiality of scientific language deprived what was powerless of the strength to make itself heard and merely provided the existing order with a neutral sign for itself. Such neutrality is more metaphysical than metaphysics.

== See also == Corroborating evidence

== Notes ==

== References == Klein, Juergen (December 7, 2012). "Francis Bacon". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy (Winter 2012 ed.). ISSN 1095-5054. OCLC 429049174.