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Mirrors > Home > ILE Home > Th. List > difeq2d | Unicode version |
Description: Deduction adding difference to the left in a class equality. (Contributed by NM, 15-Nov-2002.) |
Ref | Expression |
---|---|
difeq1d.1 |
Ref | Expression |
---|---|
difeq2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | difeq1d.1 | . 2 | |
2 | difeq2 3084 | . 2 | |
3 | 1, 2 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1284 cdif 2970 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-11 1437 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-ral 2353 df-rab 2357 df-dif 2975 |
This theorem is referenced by: difeq12d 3091 phplem3 6340 phplem4 6341 phplem3g 6342 phplem4dom 6348 phplem4on 6353 fidifsnen 6355 |
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