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| Mirrors > Home > ILE Home > Th. List > funeqd | Unicode version | ||
| Description: Equality deduction for the function predicate. (Contributed by NM, 23-Feb-2013.) |
| Ref | Expression |
|---|---|
| funeqd.1 |
|
| Ref | Expression |
|---|---|
| funeqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funeqd.1 |
. 2
| |
| 2 | funeq 5377 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-in 3220 df-ss 3227 df-br 4115 df-opab 4177 df-rel 4761 df-cnv 4762 df-co 4763 df-fun 5359 |
| This theorem is referenced by: funopg 5391 funsng 5407 funcnvuni 5430 f1eq1 5573 f1ssf1 5651 funopsn 5865 frecuzrdgtclt 10807 fundm2domnop0 11245 shftfn 11534 ennnfonelemfun 13252 ennnfonelemf1 13253 isstruct2im 13306 isstruct2r 13307 structfung 13313 setsfun 13331 setsfun0 13332 strslfv3 13342 uhgrspansubgrlem 16397 p1evtxdeqfilem 16432 istrl 16506 trlsegvdeglem2 16582 trlsegvdeglem3 16583 funmptd 16701 |
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