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Mirrors > Home > ILE Home > Th. List > uzf | Unicode version |
Description: The domain and range of the upper integers function. (Contributed by Scott Fenton, 8-Aug-2013.) (Revised by Mario Carneiro, 3-Nov-2013.) |
Ref | Expression |
---|---|
uzf |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssrab2 3080 |
. . . 4
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2 | zex 8441 |
. . . . 5
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3 | 2 | elpw2 3940 |
. . . 4
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4 | 1, 3 | mpbir 144 |
. . 3
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5 | 4 | rgenw 2419 |
. 2
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6 | df-uz 8701 |
. . 3
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7 | 6 | fmpt 5351 |
. 2
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8 | 5, 7 | mpbi 143 |
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 3904 ax-pow 3956 ax-pr 3972 ax-cnex 7129 ax-resscn 7130 |
This theorem depends on definitions: df-bi 115 df-3or 921 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-rab 2358 df-v 2604 df-sbc 2817 df-un 2978 df-in 2980 df-ss 2987 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-br 3794 df-opab 3848 df-mpt 3849 df-id 4056 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-rn 4382 df-res 4383 df-ima 4384 df-iota 4897 df-fun 4934 df-fn 4935 df-f 4936 df-fv 4940 df-ov 5546 df-neg 7349 df-z 8433 df-uz 8701 |
This theorem is referenced by: eluzel2 8705 uzn0 8715 uzin2 10011 rexanuz 10012 climmpt 10277 |
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