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| Mirrors > Home > ILE Home > Th. List > ineq1d | Unicode version | ||
| Description: Equality deduction for intersection of two classes. (Contributed by NM, 10-Apr-1994.) |
| Ref | Expression |
|---|---|
| ineq1d.1 |
|
| Ref | Expression |
|---|---|
| ineq1d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ineq1d.1 |
. 2
| |
| 2 | ineq1 3425 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 |
| This theorem is used by: diftpsn3 3856 disji2 4122 ordpwsucexmid 4717 riinint 5043 fnresdisj 5493 fnimadisj 5504 ecinxp 6884 fiintim 7238 fival 7304 fzval2 10425 fvinim0ffz 10671 hashfibc 11299 fsum1p 12204 fprod1p 12385 ballotfilemfval 13281 ballotfilemfp1 13283 ballotfilemfc0 13284 ballotfilemfcc 13285 ballotfilemgval 13319 ballotfilemgun 13320 strressid 13478 restopnb 15373 metrest 15698 qtopbasss 15713 chtqcl 16205 chtqval 16206 ppiqval 16209 ppival2 16210 ppival2g 16211 chtqfl 16219 ppiprm 16220 chtprm 16222 chtnprm 16223 chtdif 16225 ppidif 16230 prmorcht 16243 |
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