Alexander A. Razborov coauthored Natural Proofs by Alexander A. Razborov and Steven Rudich with Steven Rudich. They analyzed why many successful restricted-model circuit lower bounds do not straightforwardly establish strong lower bounds for general Boolean circuits.[ref]
Their framework separates a constructive property of Boolean functions, a large property of Boolean functions and a useful property against a circuit class. Together these can provide a statistical test contradicting a quantitatively strong pseudorandom function family assumption. The test for a constructive property of Boolean functions is measured against truth table size, not merely the number of input bits; that distinction is essential when stating the cryptographic hypothesis precisely.
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