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Mirrors > Home > MPE Home > Th. List > Mathboxes > trintALT | Structured version Visualization version Unicode version |
Description: The intersection of a class of transitive sets is transitive. Exercise 5(b) of [Enderton] p. 73. trintALT 39117 is an alternate proof of trint 4768. trintALT 39117 is trintALTVD 39116 without virtual deductions and was automatically derived from trintALTVD 39116 using the tools program translate..without..overwriting.cmd and Metamath's minimize command. (Contributed by Alan Sare, 17-Apr-2012.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
trintALT |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 473 |
. . . . 5
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2 | 1 | a1i 11 |
. . . 4
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3 | iidn3 38707 |
. . . . . . 7
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4 | id 22 |
. . . . . . . 8
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5 | rspsbc 3518 |
. . . . . . . 8
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6 | 3, 4, 5 | ee31 38979 |
. . . . . . 7
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7 | trsbc 38750 |
. . . . . . . 8
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8 | 7 | biimpd 219 |
. . . . . . 7
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9 | 3, 6, 8 | ee33 38727 |
. . . . . 6
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10 | simpr 477 |
. . . . . . . . 9
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11 | 10 | a1i 11 |
. . . . . . . 8
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12 | elintg 4483 |
. . . . . . . . 9
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13 | 12 | ibi 256 |
. . . . . . . 8
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14 | 11, 13 | syl6 35 |
. . . . . . 7
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15 | rsp 2929 |
. . . . . . 7
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16 | 14, 15 | syl6 35 |
. . . . . 6
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17 | trel 4759 |
. . . . . . 7
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18 | 17 | expd 452 |
. . . . . 6
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19 | 9, 2, 16, 18 | ee323 38714 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
20 | 19 | ralrimdv 2968 |
. . . 4
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21 | elintg 4483 |
. . . . 5
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22 | 21 | biimprd 238 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
23 | 2, 20, 22 | syl6c 70 |
. . 3
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24 | 23 | alrimivv 1856 |
. 2
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25 | dftr2 4754 |
. 2
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26 | 24, 25 | sylibr 224 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-v 3202 df-sbc 3436 df-in 3581 df-ss 3588 df-uni 4437 df-int 4476 df-tr 4753 |
This theorem is referenced by: (None) |
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