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Mirrors > Home > MPE Home > Th. List > albi | Structured version Visualization version Unicode version |
Description: Theorem 19.15 of [Margaris] p. 90. (Contributed by NM, 24-Jan-1993.) |
Ref | Expression |
---|---|
albi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biimp 197 |
. . 3
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2 | 1 | al2imi 1689 |
. 2
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3 | biimpr 202 |
. . 3
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4 | 3 | al2imi 1689 |
. 2
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5 | 2, 4 | impbid 194 |
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 1671 ax-4 1684 |
This theorem depends on definitions: df-bi 189 |
This theorem is referenced by: albii 1693 albidh 1728 19.16 2040 19.17 2041 equveli 2182 eqeq1d 2455 intmin4 4267 dfiin2g 4314 bj-2albi 31217 bj-hbxfrbi 31228 bj-nfbi 31229 wl-aleq 31880 2albi 36738 ralbidar 36809 sbcssOLD 36918 trsbcVD 37284 sbcssgVD 37290 |
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