Postmodernists have claimed to find support in it for the view that objective truth is chimerical. Some philosophers and mathematicians say it proves that minds can’t be modelled by machines, while others argue that they can be modelled but that Gödel’s theorem shows we can’t know this. Incompleteness has been held to show, for example, that there cannot be a Theory of Everything, the so-called holy grail of modern physics. These are among the misconceptions that proliferate around Gödel’s theorem and its consequences. More specifically, it is thought to tell us that there are mathematical truths which can never be proved. Like Heisenberg’s uncertainty principle, Gödel’s incompleteness theorem has captured the public imagination, supposedly demonstrating that there are absolute limits to what can be known.
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