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Mirrors > Home > ILE Home > Th. List > mptfng | Unicode version |
Description: The maps-to notation defines a function with domain. (Contributed by Scott Fenton, 21-Mar-2011.) |
Ref | Expression |
---|---|
mptfng.1 |
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Ref | Expression |
---|---|
mptfng |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eueq 2764 |
. . 3
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2 | 1 | ralbii 2373 |
. 2
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3 | mptfng.1 |
. . . 4
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4 | df-mpt 3843 |
. . . 4
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5 | 3, 4 | eqtri 2102 |
. . 3
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6 | 5 | fnopabg 5047 |
. 2
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7 | 2, 6 | bitri 182 |
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 2064 ax-sep 3898 ax-pow 3950 ax-pr 3966 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-un 2978 df-in 2980 df-ss 2987 df-pw 3386 df-sn 3406 df-pr 3407 df-op 3409 df-br 3788 df-opab 3842 df-mpt 3843 df-id 4050 df-xp 4371 df-rel 4372 df-cnv 4373 df-co 4374 df-dm 4375 df-fun 4928 df-fn 4929 |
This theorem is referenced by: fnmpt 5050 fnmpti 5052 mpteqb 5287 |
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