This article is the ‘sequel’ of the article “The electrosensory lateral line lobe in mormyrid fish : a stepping stone to the understanding of the cerebellum ? (Part 1/2 : the ELL)” in which an analysis was made of the “decorrelation procedure” implemented in the cerebellum-like ELL structure found in mormyrid fish. In this second part the focus is shifted to the cerebellum itself. In the mormyrid ELL the granule cells [GrCs] in the eminentia granularis posterior seem to be exclusively devoted to act as ‘pointers’ into the memory bank of parallel fiber [PF] to medium ganglion cell [MGC] synapses where the ‘negative images’ of the correlated component in the electroafferent inputs are stored. Given that the cerebellum proper displays very similar cytoarchitecture around its Purkinje cells [PuCs] it would be odd if it would not apply the same memory addressing system too. Several implementation issues in the ELL were discussed in Part 1, and they will be expanded on here in the context of the much larger cerebellum with topics on AND-gating, digitalization, connectivity, modality control, input space use. Issues related to the differences in the 'principal cells' (MGCs in the ELL, PuCs in the cerebellum) are discussed : - How is the cerebellum to handle the two 'signal types' (the signal that is to be decorrelated and the signals that are used as a pointer into the memory bank of the PuCs) ? - How does it handle signal corrupting factors as the ELL seems to do ? - How is the role of the broad spikes in the MGCs of the ELL and that of the climbing fibers in the cerebellum to be compared ? It will be stressed that ascending fibers have a specific function, quite different from that of the parallel fibers. A tentative role for the molecular layer interneurons (especially the basket cells) will be proposed. Finally, a key question will be addressed : what might be the ‘basic algorithm’ of the cerebellum, if it is not the filtering out of self-inflicted sensory disturbances to which the ELL is devoted ? For Part 1 of this essay, see https://doi.org/10.5281/zenodo.17602439