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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 |
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eqfnfvd.2 |
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eqfnfvd.3 |
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Ref | Expression |
---|---|
eqfnfvd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqfnfvd.3 |
. . 3
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2 | 1 | ralrimiva 2508 |
. 2
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3 | eqfnfvd.1 |
. . 3
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4 | eqfnfvd.2 |
. . 3
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5 | eqfnfv 5526 |
. . 3
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6 | 3, 4, 5 | syl2anc 409 |
. 2
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7 | 2, 6 | mpbird 166 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-sbc 2914 df-csb 3008 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-opab 3998 df-mpt 3999 df-id 4223 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-iota 5096 df-fun 5133 df-fn 5134 df-fv 5139 |
This theorem is referenced by: foeqcnvco 5699 f1eqcocnv 5700 offeq 6003 tfrlem1 6213 frecrdg 6313 updjudhcoinlf 6973 updjudhcoinrg 6974 seq3val 10262 seqvalcd 10263 seq3feq2 10274 seq3feq 10276 seqfeq3 10316 seq3shft 10642 efcvgfsum 11410 upxp 12480 uptx 12482 dvidlemap 12868 dvrecap 12885 peano4nninf 13375 nninfalllemn 13377 nninfsellemeqinf 13387 nninffeq 13391 refeq 13398 |
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