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Mirrors > Home > ILE Home > Th. List > 3eqtr3g | Unicode version |
Description: A chained equality inference, useful for converting from definitions. (Contributed by NM, 15-Nov-1994.) |
Ref | Expression |
---|---|
3eqtr3g.1 | |
3eqtr3g.2 | |
3eqtr3g.3 |
Ref | Expression |
---|---|
3eqtr3g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtr3g.2 | . . 3 | |
2 | 3eqtr3g.1 | . . 3 | |
3 | 1, 2 | syl5eqr 2186 | . 2 |
4 | 3eqtr3g.3 | . 2 | |
5 | 3, 4 | syl6eq 2188 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-4 1487 ax-17 1506 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 |
This theorem is referenced by: csbnest1g 3055 disjdif2 3441 dfopg 3703 xpid11 4762 sqxpeq0 4962 cores2 5051 funcoeqres 5398 dftpos2 6158 ine0 8156 fisumcom2 11207 fisum0diag2 11216 mertenslemi1 11304 setsslnid 12010 dvmptccn 12848 nninffeq 13216 |
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