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Mirrors > Home > MPE Home > Th. List > reximddv2 | Structured version Visualization version Unicode version |
Description: Double deduction from Theorem 19.22 of [Margaris] p. 90. (Contributed by Thierry Arnoux, 15-Dec-2019.) |
Ref | Expression |
---|---|
reximddv2.1 | |
reximddv2.2 |
Ref | Expression |
---|---|
reximddv2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximddv2.1 | . . . . 5 | |
2 | 1 | ex 450 | . . . 4 |
3 | 2 | reximdva 3017 | . . 3 |
4 | 3 | impr 649 | . 2 |
5 | reximddv2.2 | . 2 | |
6 | 4, 5 | reximddv 3018 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wcel 1990 wrex 2913 |
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 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 df-ral 2917 df-rex 2918 |
This theorem is referenced by: prmgaplem8 15762 cpmadugsumfi 20682 cpmidg2sum 20685 cayhamlem4 20693 ltgseg 25491 cgraswap 25712 cgracom 25714 cgratr 25715 dfcgra2 25721 xrofsup 29533 prmunb2 38510 |
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