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Mirrors > Home > MPE Home > Th. List > unisn2 | Structured version Visualization version Unicode version |
Description: A version of unisn 4451 without the ![]() ![]() ![]() |
Ref | Expression |
---|---|
unisn2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | unisng 4452 |
. . 3
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2 | prid2g 4296 |
. . 3
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3 | 1, 2 | eqeltrd 2701 |
. 2
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4 | snprc 4253 |
. . . . 5
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5 | 4 | biimpi 206 |
. . . 4
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6 | 5 | unieqd 4446 |
. . 3
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7 | uni0 4465 |
. . . 4
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8 | 0ex 4790 |
. . . . 5
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9 | 8 | prid1 4297 |
. . . 4
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10 | 7, 9 | eqeltri 2697 |
. . 3
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11 | 6, 10 | syl6eqel 2709 |
. 2
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12 | 3, 11 | pm2.61i 176 |
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 ax-nul 4789 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 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-rex 2918 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-sn 4178 df-pr 4180 df-uni 4437 |
This theorem is referenced by: (None) |
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