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Axiom ax-id 24
Description: The identity inference. (Contributed by Mario Carneiro, 8-Oct-2014.)
Hypothesis
Ref Expression
ax-id.1 |- R:*
Assertion
Ref Expression
ax-id |- R |= R

Detailed syntax breakdown of Axiom ax-id
StepHypRef Expression
1 tr . 2 term R
21, 1wffMMJ2 11 1 wff R |= R
Colors of variables: type var term
This axiom is referenced by:  id  25  19.8a  170
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