data/mathoid/211.mml
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<mo data-semantic-type="largeop" data-semantic-role="integral" data-semantic-id="16" data-semantic-parent="21" data-semantic-operator="integral">∫
<!-- ∫ -->
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<!-- − -->
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<!-- ∞ -->
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<mi mathvariant="normal" data-semantic-type="identifier" data-semantic-role="unknown" data-semantic-font="normal" data-semantic-id="20" data-semantic-parent="21">∞
<!-- ∞ -->
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<mi data-semantic-type="identifier" data-semantic-role="greekletter" data-semantic-font="italic" data-semantic-id="30" data-semantic-parent="38">τ
<!-- τ -->
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<mo stretchy="false" data-semantic-type="fence" data-semantic-role="close" data-semantic-id="31" data-semantic-parent="39" data-semantic-operator="fenced">)</mo>
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<mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="32" data-semantic-parent="43">d</mi>
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<mi data-semantic-type="identifier" data-semantic-role="greekletter" data-semantic-font="italic" data-semantic-id="33" data-semantic-parent="43">τ
<!-- τ -->
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<annotation encoding="application/x-tex">(f*g)(t){\stackrel {\mathrm {def} }{=}}\int _{-\infty }^{\infty }f(\tau )g(t-\tau )d\tau</annotation>
</semantics>
</math>