ce-left - brismu bridi

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Theorem ce-left 375

Description: Assertion for left-hand component of a {ce} union. (Contributed by la korvo, 5-Aug-2023.)

**Assertion**
Ref	Expression
ce-left	⊢ ko'a cmima ko'a ce ko'e

**Proof of Theorem ce-left**
Step	Hyp	Ref	Expression
1		du-refl 220	. 2 ⊢ ko'a du ko'a
2	1	ceri-lin 373	1 ⊢ ko'a cmima ko'a ce ko'e

Colors of variables: sumti selbri bridi

This theorem was proved from axioms: ax-mp 10 ax-k 11 ax-s 15 ax-ge-le 43 ax-ge-re 44 ax-ge-in 45 ax-gen2 195 ax-qi2 204

This theorem depends on definitions: df-go 61 df-ga 138 df-o 167 df-du 215 df-ce 370

This theorem is referenced by: (None)