null-strut-grid △▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽△▽ "All our assertions of spatio-temporal relations are reducible to individual observers' judgements of having collected several perceptions either together, or separately; i.e. determinations of space-time coincidence"
