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Mirrors > Home > ILE Home > Th. List > bm2.5ii | Unicode version |
Description: Problem 2.5(ii) of [BellMachover] p. 471. (Contributed by NM, 20-Sep-2003.) |
Ref | Expression |
---|---|
bm2.5ii.1 |
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Ref | Expression |
---|---|
bm2.5ii |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bm2.5ii.1 |
. . 3
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2 | 1 | ssonunii 4241 |
. 2
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3 | unissb 3639 |
. . . . . 6
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4 | 3 | a1i 9 |
. . . . 5
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5 | 4 | rabbiia 2592 |
. . . 4
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6 | 5 | inteqi 3648 |
. . 3
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7 | intmin 3664 |
. . 3
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8 | 6, 7 | syl5reqr 2129 |
. 2
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9 | 2, 8 | syl 14 |
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-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3904 ax-un 4196 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 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-in 2980 df-ss 2987 df-uni 3610 df-int 3645 df-tr 3884 df-iord 4129 df-on 4131 |
This theorem is referenced by: (None) |
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