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Mirrors > Home > ILE Home > Th. List > setsn0fun | Unicode version |
Description: The value of the structure replacement function (without the empty set) is a function if the structure (without the empty set) is a function. (Contributed by AV, 7-Jun-2021.) (Revised by AV, 16-Nov-2021.) |
Ref | Expression |
---|---|
setsn0fun.s |
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setsn0fun.i |
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setsn0fun.e |
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Ref | Expression |
---|---|
setsn0fun |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | setsn0fun.s |
. 2
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2 | structn0fun 12528 |
. . 3
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3 | setsn0fun.i |
. . . . 5
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4 | setsn0fun.e |
. . . . 5
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5 | structex 12527 |
. . . . . . 7
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6 | setsfun0 12551 |
. . . . . . 7
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7 | 5, 6 | sylanl1 402 |
. . . . . 6
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8 | 7 | expcom 116 |
. . . . 5
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9 | 3, 4, 8 | syl2anc 411 |
. . . 4
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10 | 9 | com12 30 |
. . 3
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11 | 2, 10 | mpdan 421 |
. 2
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12 | 1, 11 | mpcom 36 |
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 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 |
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-nul 3438 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-br 4019 df-opab 4080 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-res 4656 df-iota 5196 df-fun 5237 df-fv 5243 df-ov 5900 df-oprab 5901 df-mpo 5902 df-struct 12517 df-sets 12522 |
This theorem is referenced by: (None) |
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