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Mirrors > Home > ILE Home > Th. List > fveq1 | Unicode version |
Description: Equality theorem for function value. (Contributed by NM, 29-Dec-1996.) |
Ref | Expression |
---|---|
fveq1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq 3926 | . . 3 | |
2 | 1 | iotabidv 5104 | . 2 |
3 | df-fv 5126 | . 2 | |
4 | df-fv 5126 | . 2 | |
5 | 2, 3, 4 | 3eqtr4g 2195 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 class class class wbr 3924 cio 5081 cfv 5118 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-rex 2420 df-uni 3732 df-br 3925 df-iota 5083 df-fv 5126 |
This theorem is referenced by: fveq1i 5415 fveq1d 5416 fvmptdf 5501 fvmptdv2 5503 isoeq1 5695 oveq 5773 offval 5982 ofrfval 5983 offval3 6025 smoeq 6180 recseq 6196 tfr0dm 6212 tfrlemiex 6221 tfr1onlemex 6237 tfr1onlemaccex 6238 tfrcllemsucaccv 6244 tfrcllembxssdm 6246 tfrcllemex 6250 tfrcllemaccex 6251 tfrcllemres 6252 rdgeq1 6261 rdgivallem 6271 rdgon 6276 rdg0 6277 frec0g 6287 freccllem 6292 frecfcllem 6294 frecsuclem 6296 frecsuc 6297 mapsncnv 6582 elixp2 6589 elixpsn 6622 mapsnen 6698 mapxpen 6735 ac6sfi 6785 updjud 6960 enomnilem 7003 finomni 7005 exmidomni 7007 fodjuomnilemres 7013 infnninf 7015 nnnninf 7016 ismkvnex 7022 mkvprop 7025 fodjumkvlemres 7026 1fv 9909 seqeq3 10216 iseqf1olemjpcl 10261 iseqf1olemqpcl 10262 iseqf1olemfvp 10263 seq3f1olemqsum 10266 seq3f1olemstep 10267 seq3f1olemp 10268 shftvalg 10601 shftval4g 10602 clim 11043 summodc 11145 fsum3 11149 ennnfonelemim 11926 ctinfom 11930 strnfvnd 11968 iscnp 12357 upxp 12430 elcncf 12718 reldvg 12806 subctctexmid 13185 0nninf 13186 nninff 13187 nnsf 13188 peano4nninf 13189 peano3nninf 13190 nninfalllemn 13191 nninfalllem1 13192 nninfself 13198 nninfsellemeq 13199 nninfsellemeqinf 13201 isomninnlem 13214 trilpolemlt1 13223 |
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