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| Mirrors > Home > ILE Home > Th. List > eqfnfvd | Unicode version | ||
| Description: Deduction for equality of functions. (Contributed by Mario Carneiro, 24-Jul-2014.) |
| Ref | Expression |
|---|---|
| eqfnfvd.1 |
|
| eqfnfvd.2 |
|
| eqfnfvd.3 |
|
| Ref | Expression |
|---|---|
| eqfnfvd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqfnfvd.3 |
. . 3
| |
| 2 | 1 | ralrimiva 2606 |
. 2
|
| 3 | eqfnfvd.1 |
. . 3
| |
| 4 | eqfnfvd.2 |
. . 3
| |
| 5 | eqfnfv 5753 |
. . 3
| |
| 6 | 3, 4, 5 | syl2anc 411 |
. 2
|
| 7 | 2, 6 | mpbird 167 |
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-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-sbc 3033 df-csb 3129 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-iota 5293 df-fun 5335 df-fn 5336 df-fv 5341 |
| This theorem is referenced by: foeqcnvco 5941 f1eqcocnv 5942 offeq 6258 tfrlem1 6517 frecrdg 6617 updjudhcoinlf 7339 updjudhcoinrg 7340 nnnninfeq 7387 seq3val 10785 seqvalcd 10786 seq3feq2 10801 seq3feq 10805 seqfeq3 10854 ccatlid 11249 ccatrid 11250 ccatass 11251 ccatswrd 11317 swrdccat2 11318 pfxid 11333 ccatpfx 11348 pfxccat1 11349 swrdswrd 11352 cats1un 11368 swrdccatin1 11372 swrdccatin2 11376 pfxccatin12 11380 seq3shft 11478 efcvgfsum 12308 nninfctlemfo 12691 xpsfeq 13508 upxp 15083 uptx 15085 dvidlemap 15502 dvidrelem 15503 dvidsslem 15504 dvrecap 15524 depindlem3 16449 peano4nninf 16732 nninfsellemeqinf 16742 nninffeq 16746 refeq 16756 |
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