The phrase "is equivalent to when" is grammatically correct and can be used in written English.
It is commonly used to compare one thing or idea to another, particularly in mathematical or scientific contexts. Here is an example: "The concept of force is equivalent to when an object experiences a push or pull."
He makes a weaker claim, also limited in other ways, but which would be equivalent to: when there is some conflict with experience what is disconfirmed is necessarily ambiguous.
Nevertheless, while the point in evolutionary time in which a disease gene emerged may not be equivalent to when it acquired its disease-related function, these two time points are likely correlated.
PLSR is equivalent to OLS when the regressor rank is not reduced, that is, when all PLS components are included.
The €70bn bailout is equivalent to $2.1 trillion when comparing Irish GDP with the US GDP.
Further, Zamfirescu's condition [14] is equivalent to (Z) when is single-valued (see Rhoades [21, pages 259 and 266]).
Under suitable constraint qualifications (CQ), e.g., linear independence, it has been shown that ((mathrm{P}_{rho })) is equivalent to (P) when ρ is large enough.
The first one is the Paretian condition that an alternative is equivalent to another when all individuals are indifferent between them.
However, hybrid is equivalent to CONWIP when storage space costs are not considered explicitly but rather aggregated with the inventory costs in the holding costs as usually found in the literature.
The RV-RA gradient pressure added to the RA pressure is equivalent to PASP, when there is no RV outflow tract obstruction.
The oncologic outcome of breast-conserving surgery is equivalent to mastectomy, when free margins are achieved and adjuvant radiotherapy of the operated breast is applied.
