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Mirrors > Home > ILE Home > Th. List > orim1i | Unicode version |
Description: Introduce disjunct to both sides of an implication. (Contributed by NM, 6-Jun-1994.) |
Ref | Expression |
---|---|
orim1i.1 |
Ref | Expression |
---|---|
orim1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orim1i.1 | . 2 | |
2 | id 19 | . 2 | |
3 | 1, 2 | orim12i 708 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wo 661 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: 19.34 1614 dveeq2or 1737 sbequilem 1759 sbequi 1760 dvelimALT 1927 dvelimfv 1928 dvelimor 1935 r19.45av 2514 acexmidlemcase 5527 nnm1nn0 8329 |
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