abhāvasya agośabdābhidheyasya abhāvo yo gośabdābhidheyo 'rthaḥ / sa cet tasmāt pūrvoktād abhāvād vilakṣaṇo 'nya ity arthaḥ /
If the negation [of that] which is denoted by the word 'non-cow' [and] the negation which is denoted by the word 'cow' were different from that previously mentioned negation, [that is,] something other [than it], ...