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Mirrors > Home > ILE Home > Th. List > funopab4 | Unicode version |
Description: A class of ordered pairs of values in the form used by df-mpt 3867 is a function. (Contributed by NM, 17-Feb-2013.) |
Ref | Expression |
---|---|
funopab4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 108 |
. . 3
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2 | 1 | ssopab2i 4067 |
. 2
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3 | funopabeq 5001 |
. 2
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4 | funss 4985 |
. 2
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5 | 2, 3, 4 | mp2 16 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3922 ax-pow 3974 ax-pr 3999 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1688 df-eu 1946 df-mo 1947 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-ral 2358 df-rex 2359 df-v 2614 df-un 2988 df-in 2990 df-ss 2997 df-pw 3408 df-sn 3428 df-pr 3429 df-op 3431 df-br 3812 df-opab 3866 df-id 4083 df-xp 4405 df-rel 4406 df-cnv 4407 df-co 4408 df-fun 4969 |
This theorem is referenced by: funmpt 5003 |
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