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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 4719 riinint 5045 fnresdisj 5496 fnimadisj 5507 ofovex 6311 ecinxp 6889 fiintim 7244 fival 7309 fzval2 10430 fvinim0ffz 10676 hashfibc 11304 fsum1p 12209 fprod1p 12390 ballotfilemfval 13286 ballotfilemfp1 13288 ballotfilemfc0 13289 ballotfilemfcc 13290 ballotfilemgval 13324 ballotfilemgun 13325 strressid 13483 restopnb 15424 metrest 15749 qtopbasss 15764 chtqcl 16261 chtqval 16262 ppiqval 16265 ppival2 16266 ppival2g 16267 chtqfl 16275 ppiprm 16276 chtprm 16278 chtnprm 16279 chtdif 16281 ppidif 16286 prmorcht 16299 |
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