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Mirrors > Home > ILE Home > Th. List > pm3.2 | GIF version |
Description: Join antecedents with conjunction. Theorem *3.2 of [WhiteheadRussell] p. 111. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 12-Nov-2012.) (Proof shortened by Jia Ming, 17-Nov-2020.) |
Ref | Expression |
---|---|
pm3.2 | ⊢ (𝜑 → (𝜓 → (𝜑 ∧ 𝜓))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-ia3 101 | 1 ⊢ (𝜑 → (𝜓 → (𝜑 ∧ 𝜓))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 97 |
This theorem was proved from axioms: ax-ia3 101 |
This theorem is referenced by: pm3.21 251 pm3.2i 257 pm3.43i 258 ibar 285 jca 290 jcad 291 ancl 301 imnan 624 pm3.2an3 1083 19.29 1511 r19.26 2441 r19.29 2450 difrab 3211 dmcosseq 4603 lediv2a 7861 ssfzo12 9080 r19.29uz 9590 |
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