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Mirrors > Home > ILE Home > Th. List > elpm2r | Unicode version |
Description: Sufficient condition for being a partial function. (Contributed by NM, 31-Dec-2013.) |
Ref | Expression |
---|---|
elpm2r |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fdm 5393 |
. . . . . . 7
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2 | 1 | feq2d 5375 |
. . . . . 6
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3 | 1 | sseq1d 3199 |
. . . . . 6
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4 | 2, 3 | anbi12d 473 |
. . . . 5
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5 | 4 | adantr 276 |
. . . 4
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6 | 5 | ibir 177 |
. . 3
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7 | elpm2g 6695 |
. . 3
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8 | 6, 7 | imbitrrid 156 |
. 2
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9 | 8 | imp 124 |
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 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-sep 4139 ax-pow 4195 ax-pr 4230 ax-un 4454 ax-setind 4557 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-sbc 2978 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-pw 3595 df-sn 3616 df-pr 3617 df-op 3619 df-uni 3828 df-br 4022 df-opab 4083 df-id 4314 df-xp 4653 df-rel 4654 df-cnv 4655 df-co 4656 df-dm 4657 df-rn 4658 df-iota 5199 df-fun 5240 df-fn 5241 df-f 5242 df-fv 5246 df-ov 5903 df-oprab 5904 df-mpo 5905 df-pm 6681 |
This theorem is referenced by: fpmg 6704 pmresg 6706 ennnfonelemg 12465 lmbrf 14200 ellimc3apf 14614 dvfvalap 14635 dvmulxxbr 14651 dvaddxx 14652 dvmulxx 14653 dviaddf 14654 dvimulf 14655 dvcoapbr 14656 dvmptclx 14665 |
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