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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 5392 |
. 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 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 theorem depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-in 3226 df-ss 3233 df-br 4126 df-opab 4188 df-rel 4776 df-cnv 4777 df-co 4778 df-fun 5374 |
| This theorem is referenced by: funopg 5406 funsng 5422 funcnvuni 5445 f1eq1 5588 f1ssf1 5666 funopsn 5882 frecuzrdgtclt 10836 fundm2domnop0 11278 shftfn 11567 ennnfonelemfun 13286 ennnfonelemf1 13287 isstruct2im 13340 isstruct2r 13341 structfung 13347 setsfun 13365 setsfun0 13366 strslfv3 13376 uhgrspansubgrlem 16431 p1evtxdeqfilem 16466 istrl 16540 trlsegvdeglem2 16616 trlsegvdeglem3 16617 funmptd 16745 |
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