This, he has been heard to say on the Tory battle bus, is no more than a common-sense corollary to the Fixed Term Parliaments Act.
The corollary of Osborne's mistaken decision to focus on the deficit – all those ludicrous comparisons of our situation with that of Greece – and to declare a second age of austerity was the impact this had on confidence and "animal spirits".
It has its dark corollary in those weekends on the sofa, surrounded by sweet wrappers, sticky-fingered and burping.
The corollary was that the Ulster Unionists would step down in other areas where their candidate is the staunchest pro-Agreement man in the field.
The corollary, of course, is that if individuals are not paying for some online product, they are the product.
Rather, its bid for Paribas was a necessary corollary, given French takeover regulations, of bidding for SocGen.
But he might not like a further corollary: under a target-zone system, responsibility for exchange-rate management, as well as for controlling inflation, has to be given to the same policymaker.
The corollary to spurning Russian gas piped through South Stream is favouring non-Russian schemes like the Trans-Adriatic Pipeline, due for completion by 2018, which will bring Europe 10-20bcm a year from the Caucasus via Turkey.
But joblessness among young adults has not deviated from that of other age groups any more than in past downturns, says Mr Wadsworth.The corollary of sluggish GDP and a fairly stable jobs market is stagnant productivity, which itself is a puzzle.
The overall market is unlikely to plummet when mining and energy stocks are holding up so well.The corollary, however, is that emerging markets will be vulnerable if commodity prices tumble.
And there is an important corollary: a slowdown in overall economic growth is itself a force for greater concentrations of wealth.
