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Mirrors > Home > MPE Home > Th. List > sblim | Structured version Visualization version Unicode version |
Description: Substitution with a variable not free in consequent affects only the antecedent. (Contributed by NM, 14-Nov-2013.) (Revised by Mario Carneiro, 4-Oct-2016.) |
Ref | Expression |
---|---|
sblim.1 |
Ref | Expression |
---|---|
sblim |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbim 2395 | . 2 | |
2 | sblim.1 | . . . 4 | |
3 | 2 | sbf 2380 | . . 3 |
4 | 3 | imbi2i 326 | . 2 |
5 | 1, 4 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wnf 1708 wsb 1880 |
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-10 2019 ax-12 2047 ax-13 2246 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-ex 1705 df-nf 1710 df-sb 1881 |
This theorem is referenced by: sbmo 2515 |
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