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Mirrors > Home > HOLE Home > Th. List > 3eqtr3i | Unicode version |
Description: Transitivity of equality. |
Ref | Expression |
---|---|
3eqtr4i.1 | |
3eqtr4i.2 | |
3eqtr3i.3 | |
3eqtr3i.4 |
Ref | Expression |
---|---|
3eqtr3i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtr4i.1 | . 2 | |
2 | 3eqtr4i.2 | . 2 | |
3 | 3eqtr3i.3 | . . 3 | |
4 | 1, 3 | eqcomi 70 | . 2 |
5 | 1, 2 | eqtypi 69 | . . 3 |
6 | 3eqtr3i.4 | . . 3 | |
7 | 5, 6 | eqcomi 70 | . 2 |
8 | 1, 2, 4, 7 | 3eqtr4i 86 | 1 |
Colors of variables: type var term |
Syntax hints: ke 7 kbr 9 wffMMJ2 11 wffMMJ2t 12 |
This theorem was proved from axioms: ax-syl 15 ax-jca 17 ax-trud 26 ax-cb1 29 ax-cb2 30 ax-refl 39 ax-eqmp 42 ax-ceq 46 |
This theorem depends on definitions: df-ov 65 |
This theorem is referenced by: dfan2 144 cbvf 167 leqf 169 axext 206 |
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