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Theorem eqtri 253
Description: Equality is transitive. Inference for eqtr 250.
Hypotheses
Ref Expression
eqtri.1 X = Y
eqtri.2 Y = Z
Assertion
Ref Expression
eqtri X = Z

Proof of Theorem eqtri
StepHypRef Expression
Colors of variables: wff var nilad
Syntax hints:   = weq 246
 WARNING: This theorem has an incomplete proof.
This theorem is referenced by: (None)
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