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Mirrors > Home > ILE Home > Th. List > fvunsng | Unicode version |
Description: Remove an ordered pair not participating in a function value. (Contributed by Jim Kingdon, 7-Jan-2019.) |
Ref | Expression |
---|---|
fvunsng |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | snidg 3648 |
. . . 4
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2 | fvres 5579 |
. . . 4
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3 | 1, 2 | syl 14 |
. . 3
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4 | resundir 4957 |
. . . . 5
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5 | elsni 3637 |
. . . . . . . . 9
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6 | 5 | necon3ai 2413 |
. . . . . . . 8
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7 | ressnop0 5740 |
. . . . . . . 8
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8 | 6, 7 | syl 14 |
. . . . . . 7
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9 | 8 | uneq2d 3314 |
. . . . . 6
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10 | un0 3481 |
. . . . . 6
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11 | 9, 10 | eqtrdi 2242 |
. . . . 5
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12 | 4, 11 | eqtrid 2238 |
. . . 4
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13 | 12 | fveq1d 5557 |
. . 3
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14 | 3, 13 | sylan9req 2247 |
. 2
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15 | fvres 5579 |
. . . 4
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16 | 1, 15 | syl 14 |
. . 3
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17 | 16 | adantr 276 |
. 2
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18 | 14, 17 | eqtrd 2226 |
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-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-v 2762 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-xp 4666 df-res 4672 df-iota 5216 df-fv 5263 |
This theorem is referenced by: fvpr1 5763 fvpr1g 5765 fvpr2g 5766 fvtp1g 5767 tfrlemisucaccv 6380 tfr1onlemsucaccv 6396 tfrcllemsucaccv 6409 ac6sfi 6956 0tonninf 10514 1tonninf 10515 hashennn 10854 zfz1isolemiso 10913 nninfctlemfo 12180 |
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