 The transition from what we have called PLC-1 to PLC-2 should, according to Bell, “be viewed with the utmost suspicion” as “it is precisely in cleaning up intuitive ideas for mathematics that one is likely to throw the baby out with the bathwater” (1990, 106; 2004, 239). The relation between them is not further discussed in that article, but remarks in other papers shed light on the transition between them.