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. 2018 May 30;285(1879):20180723. doi: 10.1098/rspb.2018.0723

Table 1.

Conditions for full cooperation and full cognition to be favoured (i.e. H(1, 1) > 0 and K(1, 1) > 0) for different scenarios. Parameters: Ro, relatedness; c, cooperation cost; d, cognition cost; b, cooperation benefit; bC, cognition benefit; α, synergy factor; n, group size.

bC α H > 0 K > 0
=0 =0 Inline graphic 0 > d
>0 =0 Inline graphic Inline graphic
=0 >0 Inline graphic Inline graphic
>0 >0 Inline graphic Inline graphic