Character	HTML	Character	HTML	Character	HTML
∈	8712	≥	8805	≤	8804
∅	8709	⊂	8834	⊃	8835
⊄	8836	⊅	8837	⊆	8838
±	plusmn	◠	9696	◡	9697
ℵₒ	8501 and 8338	˄	708	˅	709
←	8592	→	8594	↔	8596
∴	8756	╱	9585	╲	9586
√	8730	∛	8731	∜	8732
⚫	9899	÷	247

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