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Statement List for Metamath Proof Explorer - 301-400 - Page 4 of 175
TypeLabelDescription
Statement
 
Theorempm2.47 301 Theorem *2.47 of [WhiteheadRussell] p. 107.
|- (-. (ph \/ ps) -> (-. ph \/ ps))
 
Theorempm2.48 302 Theorem *2.48 of [WhiteheadRussell] p. 107.
|- (-. (ph \/ ps) -> (ph \/ -. ps))
 
Theorempm2.49 303 Theorem *2.49 of [WhiteheadRussell] p. 107.
|- (-. (ph \/ ps) -> (-. ph \/ -. ps))
 
Theorempm2.67 304 Theorem *2.67 of [WhiteheadRussell] p. 107.
|- (((ph \/ ps) -> ps) -> (ph -> ps))
 
Theorempm3.2 305 Join antecedents with conjunction. Theorem *3.2 of [WhiteheadRussell] p. 111.
|- (ph -> (ps -> (ph /\ ps)))
 
Theorempm3.21 306 Join antecedents with conjunction. Theorem *3.21 of [WhiteheadRussell] p. 111.
|- (ph -> (ps -> (ps /\ ph)))
 
Theorempm3.2i 307 Infer conjunction of premises.
|- ph   &   |- ps   =>   |- (ph /\ ps)
 
Theorempm3.37 308 Theorem *3.37 (Transp) of [WhiteheadRussell] p. 112.
|- (((ph /\ ps) -> ch) -> ((ph /\ -. ch) -> -. ps))
 
Theorempm3.43i 309 Nested conjunction of antecedents.
|- ((ph -> ps) -> ((ph -> ch) -> (ph -> (ps /\ ch))))
 
Theoremjca 310 Deduce conjunction of the consequents of two implications ("join consequents with 'and'").
|- (ph -> ps)   &   |- (ph -> ch)   =>   |- (ph -> (ps /\ ch))
 
Theoremjca31 311 Join three consequents. (Contributed by Jeff Hankins, 1-Aug-2009.)
|- (ph -> ps)   &   |- (ph -> ch)   &   |- (ph -> th)   =>   |- (ph -> ((ps /\ ch) /\ th))
 
Theoremjca32 312 Join three consequents. (Contributed by FL, 1-Aug-2009.)
|- (ph -> ps)   &   |- (ph -> ch)   &   |- (ph -> th)   =>   |- (ph -> (ps /\ (ch /\ th)))
 
Theoremjcai 313 Deduction replacing implication with conjunction.
|- (ph -> ps)   &   |- (ph -> (ps -> ch))   =>   |- (ph -> (ps /\ ch))
 
Theoremjctl 314 Inference conjoining a theorem to the left of a consequent.
|- ps   =>   |- (ph -> (ps /\ ph))
 
Theoremjctr 315 Inference conjoining a theorem to the right of a consequent.
|- ps   =>   |- (ph -> (ph /\ ps))
 
Theoremjctil 316 Inference conjoining a theorem to left of consequent in an implication.
|- (ph -> ps)   &   |- ch   =>   |- (ph -> (ch /\ ps))
 
Theoremjctir 317 Inference conjoining a theorem to right of consequent in an implication.
|- (ph -> ps)   &   |- ch   =>   |- (ph -> (ps /\ ch))
 
Theoremancl 318 Conjoin antecedent to left of consequent.
|- ((ph -> ps) -> (ph -> (ph /\ ps)))
 
Theoremancr 319 Conjoin antecedent to right of consequent.
|- ((ph -> ps) -> (ph -> (ps /\ ph)))
 
Theoremancli 320 Deduction conjoining antecedent to left of consequent.
|- (ph -> ps)   =>   |- (ph -> (ph /\ ps))
 
Theoremancri 321 Deduction conjoining antecedent to right of consequent.
|- (ph -> ps)   =>   |- (ph -> (ps /\ ph))
 
Theoremancld 322 Deduction conjoining antecedent to left of consequent in nested implication.
|- (ph -> (ps -> ch))   =>   |- (ph -> (ps -> (ps /\ ch)))
 
Theoremancrd 323 Deduction conjoining antecedent to right of consequent in nested implication.
|- (ph -> (ps -> ch))   =>   |- (ph -> (ps -> (ch /\ ps)))
 
Theoremanc2l 324 Conjoin antecedent to left of consequent in nested implication.
|- ((ph -> (ps -> ch)) -> (ph -> (ps -> (ph /\ ch))))
 
Theoremanc2r 325 Conjoin antecedent to right of consequent in nested implication.
|- ((ph -> (ps -> ch)) -> (ph -> (ps -> (ch /\ ph))))
 
Theoremanc2li 326 Deduction conjoining antecedent to left of consequent in nested implication.
|- (ph -> (ps -> ch))   =>   |- (ph -> (ps -> (ph /\ ch)))
 
Theoremanc2ri 327 Deduction conjoining antecedent to right of consequent in nested implication.
|- (ph -> (ps -> ch))   =>   |- (ph -> (ps -> (ch /\ ph)))
 
Theoremanor 328 Conjunction in terms of disjunction (DeMorgan's law). Theorem *4.5 of [WhiteheadRussell] p. 120.
|- ((ph /\ ps) <-> -. (-. ph \/ -. ps))
 
Theoremianor 329 Negated conjunction in terms of disjunction (DeMorgan's law). Theorem *4.51 of [WhiteheadRussell] p. 120. (The proof was shortened by Andrew Salmon, 13-May-2011.)
|- (-. (ph /\ ps) <-> (-. ph \/ -. ps))
 
TheoremianorOLD 330 Negated conjunction in terms of disjunction (DeMorgan's law). Theorem *4.51 of [WhiteheadRussell] p. 120.
|- (-. (ph /\ ps) <-> (-. ph \/ -. ps))
 
Theoremioran 331 Negated disjunction in terms of conjunction (DeMorgan's law). Compare Theorem *4.56 of [WhiteheadRussell] p. 120. (The proof was shortened by Andrew Salmon, 7-May-2011.)
|- (-. (ph \/ ps) <-> (-. ph /\ -. ps))
 
TheoremioranOLD 332 Negated disjunction in terms of conjunction (DeMorgan's law). Compare Theorem *4.56 of [WhiteheadRussell] p. 120.
|- (-. (ph \/ ps) <-> (-. ph /\ -. ps))
 
Theorempm4.52 333 Theorem *4.52 of [WhiteheadRussell] p. 120.
|- ((ph /\ -. ps) <-> -. (-. ph \/ ps))
 
Theorempm4.53 334 Theorem *4.53 of [WhiteheadRussell] p. 120.
|- (-. (ph /\ -. ps) <-> (-. ph \/ ps))
 
Theorempm4.54 335 Theorem *4.54 of [WhiteheadRussell] p. 120.
|- ((-. ph /\ ps) <-> -. (ph \/ -. ps))
 
Theorempm4.55 336 Theorem *4.55 of [WhiteheadRussell] p. 120.
|- (-. (-. ph /\ ps) <-> (ph \/ -. ps))
 
Theorempm4.56 337 Theorem *4.56 of [WhiteheadRussell] p. 120.
|- ((-. ph /\ -. ps) <-> -. (ph \/ ps))
 
Theoremoran 338 Disjunction in terms of conjunction (DeMorgan's law). Compare Theorem *4.57 of [WhiteheadRussell] p. 120. (The proof was shortened by Andrew Salmon, 7-May-2011.)
|- ((ph \/ ps) <-> -. (-. ph /\ -. ps))
 
TheoremoranOLD 339 Disjunction in terms of conjunction (DeMorgan's law). Compare Theorem *4.57 of [WhiteheadRussell] p. 120.
|- ((ph \/ ps) <-> -. (-. ph /\ -. ps))
 
Theorempm4.57 340 Theorem *4.57 of [WhiteheadRussell] p. 120.
|- (-. (-. ph /\ -. ps) <-> (ph \/ ps))
 
Theorempm3.1 341 Theorem *3.1 of [WhiteheadRussell] p. 111.
|- ((ph /\ ps) -> -. (-. ph \/ -. ps))
 
Theorempm3.11 342 Theorem *3.11 of [WhiteheadRussell] p. 111.
|- (-. (-. ph \/ -. ps) -> (ph /\ ps))
 
Theorempm3.12 343 Theorem *3.12 of [WhiteheadRussell] p. 111.
|- ((-. ph \/ -. ps) \/ (ph /\ ps))
 
Theorempm3.13 344 Theorem *3.13 of [WhiteheadRussell] p. 111.
|- (-. (ph /\ ps) -> (-. ph \/ -. ps))
 
Theorempm3.14 345 Theorem *3.14 of [WhiteheadRussell] p. 111.
|- ((-. ph \/ -. ps) -> -. (ph /\ ps))
 
Theoremsimpl 346 Elimination of a conjunct. Theorem *3.26 (Simp) of [WhiteheadRussell] p. 112.
|- ((ph /\ ps) -> ph)
 
Theoremsimpli 347 Inference eliminating a conjunct.
|- (ph /\ ps)   =>   |- ph
 
Theoremsimplld 348 Deduction eliminating a conjunct.
|- (ph -> (ps /\ ch))   =>   |- (ph -> ps)
 
Theoremsimplbi 349 Deduction eliminating a conjunct.
|- (ph <-> (ps /\ ch))   =>   |- (ph -> ps)
 
Theoremsimpr 350 Elimination of a conjunct. Theorem *3.27 (Simp) of [WhiteheadRussell] p. 112.
|- ((ph /\ ps) -> ps)
 
Theoremsimpri 351 Inference eliminating a conjunct.
|- (ph /\ ps)   =>   |- ps
 
Theoremsimprd 352 Deduction eliminating a conjunct.
|- (ph -> (ps /\ ch))   =>   |- (ph -> ch)
 
Theoremsimprbi 353 Deduction eliminating a conjunct.
|- (ph <-> (ps /\ ch))   =>   |- (ph -> ch)
 
Theorempm3.41 354 Theorem *3.41 of [WhiteheadRussell] p. 113.
|- ((ph -> ch) -> ((ph /\ ps) -> ch))
 
Theorempm3.42 355 Theorem *3.42 of [WhiteheadRussell] p. 113.
|- ((ps -> ch) -> ((ph /\ ps) -> ch))
 
Theoremanclb 356 Conjoin antecedent to left of consequent. Theorem *4.7 of [WhiteheadRussell] p. 120.
|- ((ph -> ps) <-> (ph -> (ph /\ ps)))
 
Theoremancrb 357 Conjoin antecedent to right of consequent.
|- ((ph -> ps) <-> (ph -> (ps /\ ph)))
 
Theorempm3.4 358 Conjunction implies implication. Theorem *3.4 of [WhiteheadRussell] p. 113.
|- ((ph /\ ps) -> (ph -> ps))
 
Theorempm4.45im 359 Conjunction with implication. Compare Theorem *4.45 of [WhiteheadRussell] p. 119.
|- (ph <-> (ph /\ (ps -> ph)))
 
Theoremanim12i 360 Conjoin antecedents and consequents of two premises.
|- (ph -> ps)   &   |- (ch -> th)   =>   |- ((ph /\ ch) -> (ps /\ th))
 
Theoremanim1i 361 Introduce conjunct to both sides of an implication.
|- (ph -> ps)   =>   |- ((ph /\ ch) -> (ps /\ ch))
 
Theoremanim2i 362 Introduce conjunct to both sides of an implication.
|- (ph -> ps)   =>   |- ((ch /\ ph) -> (ch /\ ps))
 
Theoremorim12i 363 Disjoin antecedents and consequents of two premises.
|- (ph -> ps)   &   |- (ch -> th)   =>   |- ((ph \/ ch) -> (ps \/ th))
 
Theoremorim1i 364 Introduce disjunct to both sides of an implication.
|- (ph -> ps)   =>   |- ((ph \/ ch) -> (ps \/ ch))
 
Theoremorim2i 365 Introduce disjunct to both sides of an implication.
|- (ph -> ps)   =>   |- ((ch \/ ph) -> (ch \/ ps))
 
Theorempm2.3 366 Theorem *2.3 of [WhiteheadRussell] p. 104.
|- ((ph \/ (ps \/ ch)) -> (ph \/ (ch \/ ps)))
 
Theoremjao 367 Disjunction of antecedents. Compare Theorem *3.44 of [WhiteheadRussell] p. 113.
|- ((ph -> ps) -> ((ch -> ps) -> ((ph \/ ch) -> ps)))
 
Theoremjaoi 368 Inference disjoining the antecedents of two implications.
|- (ph -> ps)   &   |- (ch -> ps)   =>   |- ((ph \/ ch) -> ps)
 
Theorempm2.41 369 Theorem *2.41 of [WhiteheadRussell] p. 106.
|- ((ps \/ (ph \/ ps)) -> (ph \/ ps))
 
Theorempm2.42 370 Theorem *2.42 of [WhiteheadRussell] p. 106.
|- ((-. ph \/ (ph -> ps)) -> (ph -> ps))
 
Theorempm2.4 371 Theorem *2.4 of [WhiteheadRussell] p. 106.
|- ((ph \/ (ph \/ ps)) -> (ph \/ ps))
 
Theorempm4.44 372 Theorem *4.44 of [WhiteheadRussell] p. 119.
|- (ph <-> (ph \/ (ph /\ ps)))
 
Theorempm5.63 373 Theorem *5.63 of [WhiteheadRussell] p. 125.
|- ((ph \/ ps) <-> (ph \/ (-. ph /\ ps)))
 
Theoremimpexp 374 Import-export theorem. Part of Theorem *4.87 of [WhiteheadRussell] p. 122.
|- (((ph /\ ps) -> ch) <-> (ph -> (ps -> ch)))
 
Theorempm3.3 375 Theorem *3.3 (Exp) of [WhiteheadRussell] p. 112.
|- (((ph /\ ps) -> ch) -> (ph -> (ps -> ch)))
 
Theorempm3.31 376 Theorem *3.31 (Imp) of [WhiteheadRussell] p. 112.
|- ((ph -> (ps -> ch)) -> ((ph /\ ps) -> ch))
 
Theoremimp 377 Importation inference. (The proof was shortened by Eric Schmidt, 22-Dec-2006.)
|- (ph -> (ps -> ch))   =>   |- ((ph /\ ps) -> ch)
 
Theoremimpcom 378 Importation inference with commuted antecedents.
|- (ph -> (ps -> ch))   =>   |- ((ps /\ ph) -> ch)
 
Theorempm4.14 379 Theorem *4.14 of [WhiteheadRussell] p. 117.
|- (((ph /\ ps) -> ch) <-> ((ph /\ -. ch) -> -. ps))
 
Theorempm4.15 380 Theorem *4.15 of [WhiteheadRussell] p. 117.
|- (((ph /\ ps) -> -. ch) <-> ((ps /\ ch) -> -. ph))
 
Theorempm4.78 381 Theorem *4.78 of [WhiteheadRussell] p. 121.
|- (((ph -> ps) \/ (ph -> ch)) <-> (ph -> (ps \/ ch)))
 
Theorempm4.79 382 Theorem *4.79 of [WhiteheadRussell] p. 121.
|- (((ps -> ph) \/ (ch -> ph)) <-> ((ps /\ ch) -> ph))
 
Theorempm4.87 383 Theorem *4.87 of [WhiteheadRussell] p. 122. (The proof was shortened by Eric Schmidt, 26-Oct-2006.)
|- (((((ph /\ ps) -> ch) <-> (ph -> (ps -> ch))) /\ ((ph -> (ps -> ch)) <-> (ps -> (ph -> ch)))) /\ ((ps -> (ph -> ch)) <-> ((ps /\ ph) -> ch)))
 
Theorempm3.33 384 Theorem *3.33 (Syll) of [WhiteheadRussell] p. 112.
|- (((ph -> ps) /\ (ps -> ch)) -> (ph -> ch))
 
Theorempm3.34 385 Theorem *3.34 (Syll) of [WhiteheadRussell] p. 112.
|- (((ps -> ch) /\ (ph -> ps)) -> (ph -> ch))
 
Theorempm3.35 386 Conjunctive detachment. Theorem *3.35 of [WhiteheadRussell] p. 112.
|- ((ph /\ (ph -> ps)) -> ps)
 
Theorempm5.31 387 Theorem *5.31 of [WhiteheadRussell] p. 125.
|- ((ch /\ (ph -> ps)) -> (ph -> (ps /\ ch)))
 
Theoremimp3a 388 Importation deduction.
|- (ph -> (ps -> (ch -> th)))   =>   |- (ph -> ((ps /\ ch) -> th))
 
Theoremimp31 389 An importation inference.
|- (ph -> (ps -> (ch -> th)))   =>   |- (((ph /\ ps) /\ ch) -> th)
 
Theoremimp32 390 An importation inference.
|- (ph -> (ps -> (ch -> th)))   =>   |- ((ph /\ (ps /\ ch)) -> th)
 
Theoremimp4a 391 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- (ph -> (ps -> ((ch /\ th) -> ta)))
 
Theoremimp4b 392 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- ((ph /\ ps) -> ((ch /\ th) -> ta))
 
Theoremimp4c 393 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- (ph -> (((ps /\ ch) /\ th) -> ta))
 
Theoremimp4d 394 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- (ph -> ((ps /\ (ch /\ th)) -> ta))
 
Theoremimp41 395 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- ((((ph /\ ps) /\ ch) /\ th) -> ta)
 
Theoremimp42 396 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- (((ph /\ (ps /\ ch)) /\ th) -> ta)
 
Theoremimp43 397 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- (((ph /\ ps) /\ (ch /\ th)) -> ta)
 
Theoremimp44 398 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- ((ph /\ ((ps /\ ch) /\ th)) -> ta)
 
Theoremimp45 399 An importation inference.
|- (ph -> (ps -> (ch -> (th -> ta))))   =>   |- ((ph /\ (ps /\ (ch /\ th))) -> ta)
 
Theoremimp5a 400 An importation inference. (Contributed by Jeff Hankins, 7-Jul-2009.)
|- (ph -> (ps -> (ch -> (th -> (ta -> et)))))   =>   |- (ph -> (ps -> (ch -> ((th /\ ta) -> et))))

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