Reference for Chullin 77:11

שחטה לשמה לזרוק דמה שלא לשמה רבי יוחנן אמר

R'Johanan says it is inva because he accepts the principle, 'a wrongful intention expressed during one service with regard to another service is of consequence', [even in this case], for we derive it from the case of piggul.<span class="x" onmousemove="('comment',' . Strictly a sacrifice is rendered piggul ('abhorred') if the officiating priest expressed an intention during one of the four principal services');">⁴</span>

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