Equation 4 · Part 2 · Mechanistic Interpretability in 2035: Scenarios and Falsifiers
Symbol t
What this part means
t is an argument of the function-like quantity on the left; its role is set by that function’s stated inputs.
Its job in the formula
t is an argument of the function-like quantity on the left; its role is set by that function’s stated inputs.
Full expression→Symbol t→Article meaning
The passage around this formula
Whether interpretability evidence becomes admissible for a safety certification is not a third axis; it is what the other two jointly produce, and the joint requirement is a conjunction rather than an average. Write A(t) for the share of a frontier model’s decision-relevant behaviour with a validated, causally checked account — Circuit Tracing’s own figures are the best public anchor for where A(t) sits today [ 2 ] — and S(t) for the share of published interpretability results built on a method that has cleared an agreed, cross-lab benchmark rather than a proxy metric of the kind SAEBench found unreliable [ 10 ] . A regulator or a court asked to accept mechanistic evidence needs both a…
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the surrounding passage
- [2] Circuit Tracing: Revealing Computational Graphs in Language Models ↗
- [10] SAEBench: A Comprehensive Benchmark for Sparse Autoencoders in Language Model Interpretability ↗
- [11] Safety cases at AISI ↗
These citations provide research context; check each source for the exact claim it supports.